{
"query": {
"display": "inverse $$f\\left(x\\right)=7x^{2}-10$$",
"symbolab_question": "FUNCTION#inverse f(x)=7x^{2}-10"
},
"solution": {
"level": "PERFORMED",
"subject": "Functions & Graphing",
"topic": "Functions",
"subTopic": "inverse",
"default": "\\sqrt{\\frac{x+10}{7}},-\\sqrt{\\frac{x+10}{7}}",
"meta": {
"showVerify": true
}
},
"steps": {
"type": "interim",
"title": "Inverse of $$7x^{2}-10:{\\quad}\\sqrt{\\frac{x+10}{7}},\\:-\\sqrt{\\frac{x+10}{7}}$$",
"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=7x^{2}-10"
},
{
"type": "interim",
"title": "Replace $$x\\:$$with $$y$$",
"input": "y=7x^{2}-10",
"result": "x=7y^{2}-10",
"steps": [
{
"type": "step",
"primary": "Replace $$x\\:$$with $$y$$",
"secondary": [
"Replace $$y\\:$$with $$x$$"
],
"result": "x=7y^{2}-10"
}
],
"meta": {
"interimType": "Interchange Variables 2Eq",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7vpqcDD/7yX5Tbd9fO9JFZZC3l6r6JMUWD3yEnVb3AmMRbanK99cKyYwa/mBTZldqH9GE5izqXI/bDuw3oLXKo2RLd2VwIqlBNByF6663syTDkDkXF8vCx6Q9CRnz+NFaVBWbEKIE9nJ8YkcdZveNBKw7n5+P/GePwavH269Q9eA="
}
},
{
"type": "interim",
"title": "Solve for $$y,\\:x=7y^{2}-10$$",
"input": "x=7y^{2}-10",
"steps": [
{
"type": "step",
"primary": "Switch sides",
"result": "7y^{2}-10=x"
},
{
"type": "interim",
"title": "Move $$10\\:$$to the right side",
"input": "7y^{2}-10=x",
"result": "7y^{2}=x+10",
"steps": [
{
"type": "step",
"primary": "Add $$10$$ to both sides",
"result": "7y^{2}-10+10=x+10"
},
{
"type": "step",
"primary": "Simplify",
"result": "7y^{2}=x+10"
}
],
"meta": {
"interimType": "Move to the Right Title 1Eq",
"gptData": "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"
}
},
{
"type": "interim",
"title": "Divide both sides by $$7$$",
"input": "7y^{2}=x+10",
"result": "y^{2}=\\frac{x+10}{7}",
"steps": [
{
"type": "step",
"primary": "Divide both sides by $$7$$",
"result": "\\frac{7y^{2}}{7}=\\frac{x}{7}+\\frac{10}{7}"
},
{
"type": "interim",
"title": "Simplify",
"input": "\\frac{7y^{2}}{7}=\\frac{x}{7}+\\frac{10}{7}",
"result": "y^{2}=\\frac{x+10}{7}",
"steps": [
{
"type": "interim",
"title": "Simplify $$\\frac{7y^{2}}{7}:{\\quad}y^{2}$$",
"input": "\\frac{7y^{2}}{7}",
"steps": [
{
"type": "step",
"primary": "Divide the numbers: $$\\frac{7}{7}=1$$",
"result": "=y^{2}"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Generic Simplify Specific 1Eq",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7AzgCUa1kY/+qseFTJN+Kz1LKqZZl61cSoVEUbXVe4hCjkVi15I8rBefLi4Iyt2wrNBWhdAGWOll7QYcteRzyj4saY2cs9YZ/08feWmaOgkhCm8FAaPiTO4bQo7tK05Pw1nVyonzaAjaqZzCXXQhZOQ=="
}
},
{
"type": "interim",
"title": "Simplify $$\\frac{x}{7}+\\frac{10}{7}:{\\quad}\\frac{x+10}{7}$$",
"input": "\\frac{x}{7}+\\frac{10}{7}",
"steps": [
{
"type": "step",
"primary": "Apply rule $$\\frac{a}{c}\\pm\\frac{b}{c}=\\frac{a\\pm\\:b}{c}$$",
"result": "=\\frac{x+10}{7}"
}
],
"meta": {
"solvingClass": "Solver",
"interimType": "Generic Simplify Specific 1Eq",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7NimT6qtleAvRjY1p8aCRDDxL5kXVtNMnIJSm1bo3PNcgJ/ZZA32ZInFBpDtxBfiKXYGCmiBF99lesmXZ9iIfJwMyPQZUpZXj7gdvHuJzylx6pfF1z6umzUJTJvt+ojYZY4LVEbDWfJhdqtpUA6/Oh+3axd5us3DYwfEmTR86iXssurNd+VGAiajE0XcWooEf"
}
},
{
"type": "step",
"result": "y^{2}=\\frac{x+10}{7}"
}
],
"meta": {
"interimType": "Generic Simplify 0Eq"
}
}
],
"meta": {
"interimType": "Divide Both Sides Specific 1Eq",
"gptData": "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"
}
},
{
"type": "step",
"primary": "For $$x^{2}=f\\left(a\\right)$$ the solutions are $$x=\\sqrt{f\\left(a\\right)},\\:\\:-\\sqrt{f\\left(a\\right)}$$"
},
{
"type": "step",
"result": "y=\\sqrt{\\frac{x+10}{7}},\\:y=-\\sqrt{\\frac{x+10}{7}}"
}
],
"meta": {
"solvingClass": "Equations",
"interimType": "Generic Solve For Title 2Eq"
}
},
{
"type": "step",
"result": "\\sqrt{\\frac{x+10}{7}},\\:-\\sqrt{\\frac{x+10}{7}}"
}
],
"meta": {
"solvingClass": "Function Inverse"
}
},
"plot_output": {
"meta": {
"plotInfo": {
"variable": "x",
"plotRequest": "7x^{2}-10"
},
"showViewLarger": true
}
},
"meta": {
"showVerify": true
}
}
Solution
inverse
Solution
Solution steps
Replace with
Solve for
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Frequently Asked Questions (FAQ)
What is the inverse of f(x)=7x^2-10 ?
The inverse of f(x)=7x^2-10 is sqrt((x+10)/7),-sqrt((x+10)/7)