{ "query": { "display": "inverse $$f\\left(x\\right)=\\frac{6x+4}{x-1}$$", "symbolab_question": "FUNCTION#inverse f(x)=\\frac{6x+4}{x-1}" }, "solution": { "level": "PERFORMED", "subject": "Functions & Graphing", "topic": "Functions", "subTopic": "inverse", "default": "\\frac{4+x}{x-6}", "meta": { "showVerify": true } }, "steps": { "type": "interim", "title": "Inverse of $$\\frac{6x+4}{x-1}:{\\quad}\\frac{4+x}{x-6}$$", "steps": [ { "type": "definition", "title": "Function Inverse definition", "text": "A function g is the inverse of function f if for $$y=f\\left(x\\right),\\:\\:x=g\\left(y\\right)\\:$$" }, { "type": "step", "result": "y=\\frac{6x+4}{x-1}" }, { "type": "interim", "title": "Replace $$x\\:$$with $$y$$", "input": "y=\\frac{6x+4}{x-1}", "result": "x=\\frac{6y+4}{y-1}", "steps": [ { "type": "step", "primary": "Replace $$x\\:$$with $$y$$", "secondary": [ "Replace $$y\\:$$with $$x$$" ], "result": "x=\\frac{6y+4}{y-1}" } ], "meta": { "interimType": "Interchange Variables 2Eq", "gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7vpqcDD/7yX5Tbd9fO9JFZflKb+oE8YY1V5eRRX8iWLZqBnuJ6LoqjdABV7VIPgGrGQmYVIcZpIrwEyqT9Afp8/wjxGUyXxWBxRqXMq0bSOpN5Aod6Hr1Lp2e/29KhSgUmjqleygtlSszoezKDjz2k7GJwpZAgCxm4WPlcU4xj5k=" } }, { "type": "interim", "title": "Solve for $$y,\\:x=\\frac{6y+4}{y-1}$$", "input": "x=\\frac{6y+4}{y-1}", "steps": [ { "type": "interim", "title": "Multiply both sides by $$y-1$$", "input": "x=\\frac{6y+4}{y-1}", "result": "x\\left(y-1\\right)=6y+4", "steps": [ { "type": "step", "primary": "Multiply both sides by $$y-1$$", "result": "x\\left(y-1\\right)=\\frac{6y+4}{y-1}\\left(y-1\\right)" }, { "type": "step", "primary": "Simplify", "result": "x\\left(y-1\\right)=6y+4" } ], "meta": { "interimType": "Multiply Both Sides Specific 1Eq", "gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7Ly6uC79+U3fQwJHpLK47Ysv6HLd21eSfBM1DbnjSv5a95EI2JyU+2RT0qArNxlCqY0KINx7aCCcjHY7WaAbVDHHkjHsJPK0nUc/ft0SmGM0ltKUUuRRayZ3U/vtlWN+mIqpBEC84uitJ/34jLAtmNtIWMxer8Y0maDEiJwmPzz0Gzvef9somTq4fFXcfzhz7SLX4UBH/S/s/eJ2lZb/sgEAsHGn2hBXLlTrEuGZfbDqBlOEP6eEnfT2lfJgRlnmQ+9zCTwdLZ8gLzZUTpGbXqYRaMe7VuinvQ0IJdEqmbZ9H30koNqZdcC0ISYHUsNsGlsMxPN+Du666aYYZH5j60ZIcOPtBjEwf5NB6rJgRkL46ykpGEGxsjZM9XQCCmA2ItQunUuCLvpwGYAhvio+mTW9a4n83XX1fDim1PknhUaB6pfF1z6umzUJTJvt+ojYZ1giUxKfQ6UYONv8m0FGzQQDc8sZ3xkFaXrfQ+qXzbS0=" } }, { "type": "interim", "title": "Expand $$x\\left(y-1\\right):{\\quad}xy-x$$", "input": "x\\left(y-1\\right)", "steps": [ { "type": "step", "primary": "Apply the distributive law: $$a\\left(b-c\\right)=ab-ac$$", "secondary": [ "$$a=x,\\:b=y,\\:c=1$$" ], "result": "=xy-x\\cdot\\:1", "meta": { "practiceLink": "/practice/expansion-practice", "practiceTopic": "Expand Rules" } }, { "type": "step", "result": "=xy-1\\cdot\\:x" }, { "type": "step", "primary": "Multiply: $$1\\cdot\\:x=x$$", "result": "=xy-x" } ], "meta": { "solvingClass": "Solver", "interimType": "Generic Expand Specific 1Eq", "gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7OFqCkI9WIzzlAz4kmV7GyAsBmUOGgB0VAXoAXik9qC9EoApuujwRq/Ms3wa4gNT89ZVSO0B13oSpK+zJfqv7kB7MWKURN+43KCOzRc+RXaGuSZBSS2yDJsYvLH1YSvDL" } }, { "type": "step", "result": "xy-x=6y+4" }, { "type": "interim", "title": "Move $$x\\:$$to the right side", "input": "xy-x=6y+4", "result": "xy=6y+4+x", "steps": [ { "type": "step", "primary": "Add $$x$$ to both sides", "result": "xy-x+x=6y+4+x" }, { "type": "step", "primary": "Simplify", "result": "xy=6y+4+x" } ], "meta": { "interimType": "Move to the Right Title 1Eq", "gptData": "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" } }, { "type": "interim", "title": "Move $$6y\\:$$to the left side", "input": "xy=6y+4+x", "result": "xy-6y=4+x", "steps": [ { "type": "step", "primary": "Subtract $$6y$$ from both sides", "result": "xy-6y=6y+4+x-6y" }, { "type": "step", "primary": "Simplify", "result": "xy-6y=4+x" } ], "meta": { "interimType": "Move to the Left Title 1Eq", "gptData": "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" } }, { "type": "interim", "title": "Factor $$xy-6y:{\\quad}y\\left(x-6\\right)$$", "input": "xy-6y", "steps": [ { "type": "step", "primary": "Factor out common term $$y$$", "result": "=y\\left(x-6\\right)", "meta": { "practiceLink": "/practice/factoring-practice", "practiceTopic": "Factoring" } } ], "meta": { "solvingClass": "Solver", "interimType": "Algebraic Manipulation Factor Title 1Eq" } }, { "type": "step", "result": "y\\left(x-6\\right)=4+x" }, { "type": "interim", "title": "Divide both sides by $$x-6$$", "input": "y\\left(x-6\\right)=4+x", "result": "y=\\frac{4+x}{x-6}", "steps": [ { "type": "step", "primary": "Divide both sides by $$x-6$$", "result": "\\frac{y\\left(x-6\\right)}{x-6}=\\frac{4}{x-6}+\\frac{x}{x-6}" }, { "type": "interim", "title": "Simplify", "input": "\\frac{y\\left(x-6\\right)}{x-6}=\\frac{4}{x-6}+\\frac{x}{x-6}", "result": "y=\\frac{4+x}{x-6}", "steps": [ { "type": "interim", "title": "Simplify $$\\frac{y\\left(x-6\\right)}{x-6}:{\\quad}y$$", "input": "\\frac{y\\left(x-6\\right)}{x-6}", "steps": [ { "type": "step", "primary": "Cancel the common factor: $$x-6$$", "result": "=y" } ], "meta": { "solvingClass": "Solver", "interimType": "Generic Simplify Specific 1Eq", "gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7zppuIXBvQKDfWT1PgVYs7CtnUVqEfJvJUBbvsfHyLBdwkKGJWEPFPk38sdJMsyPInHO1P233i4EtfogZ/YR6Lu5AIz++qluupTlLFEcE9J3MqC2o5jpJnUXV8Cdbf9HZL3IkjEzOZNjiqjDGMoOoIw==" } }, { "type": "interim", "title": "Simplify $$\\frac{4}{x-6}+\\frac{x}{x-6}:{\\quad}\\frac{4+x}{x-6}$$", "input": "\\frac{4}{x-6}+\\frac{x}{x-6}", "steps": [ { "type": "step", "primary": "Apply rule $$\\frac{a}{c}\\pm\\frac{b}{c}=\\frac{a\\pm\\:b}{c}$$", "result": "=\\frac{4+x}{x-6}" } ], "meta": { "solvingClass": "Solver", "interimType": "Generic Simplify Specific 1Eq", "gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7CACch03H7hQyGTE/YtBTb9bQUyP6CjpmDPjnrstOHi4tOtZYwUjyXhDTsNnn6ElrSGpx9e3Lolh3WlYiBDdmOOGvTxUHQPiNgp2OXQSH+mzvbBmbuQNTF0TphKZ8Ruva8pOMITYik9N8AtIc49Ww1TomfVbHNvyXbQ4i0nlYI4mMtcOqMK7UZsbazYWDTAvL" } }, { "type": "step", "result": "y=\\frac{4+x}{x-6}" } ], "meta": { "interimType": "Generic Simplify 0Eq" } } ], "meta": { 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