{
"query": {
"display": "domain $$f\\left(x\\right)=\\frac{7}{x-4}$$",
"symbolab_question": "FUNCTION#domain f(x)=\\frac{7}{x-4}"
},
"solution": {
"level": "PERFORMED",
"subject": "Functions & Graphing",
"topic": "Functions",
"subTopic": "domain",
"default": "x<4\\lor x>4",
"interval": "(-\\infty ,4)\\cup (4,\\infty )",
"meta": {
"showVerify": true
}
},
"steps": {
"type": "interim",
"title": "Domain of $$\\frac{7}{x-4}\\::{\\quad}x<4\\lor\\:x>4$$",
"steps": [
{
"type": "definition",
"title": "Domain definition",
"text": "The domain of a function is the set of input or argument values for which the function is real and defined"
},
{
"type": "interim",
"title": "Find undefined (singularity) points:$${\\quad}x=4$$",
"input": "\\frac{7}{x-4}",
"steps": [
{
"type": "step",
"primary": "Take the denominator(s) of $$\\frac{7}{x-4}$$ and compare to zero"
},
{
"type": "interim",
"title": "Solve $$x-4=0:{\\quad}x=4$$",
"input": "x-4=0",
"steps": [
{
"type": "interim",
"title": "Move $$4\\:$$to the right side",
"input": "x-4=0",
"result": "x=4",
"steps": [
{
"type": "step",
"primary": "Add $$4$$ to both sides",
"result": "x-4+4=0+4"
},
{
"type": "step",
"primary": "Simplify",
"result": "x=4"
}
],
"meta": {
"interimType": "Move to the Right Title 1Eq",
"gptData": "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"
}
}
],
"meta": {
"solvingClass": "Equations",
"interimType": "Generic Solve Title 1Eq"
}
},
{
"type": "step",
"primary": "The following points are undefined",
"result": "x=4"
}
],
"meta": {
"interimType": "Undefined Points 0Eq",
"gptData": "pG0PljGlka7rWtIVHz2xymbOTBTIQkBEGSNjyYYsjjDErT97kX84sZPuiUzCW6s7yzmeFdjgvhQTm0mwfI9L6t3Uj/l6EXvp8MVa8cTKNTj4KqpqHsTkSBgy/axoI6DanGB5QOm37WeTW5ROyPs6nciJn6ACoLXzcHc/ItMIlfiMQFCJrrV+N0fP+YW8YOr/XqsK+e1TiGj9RsLkU0NRYN34jETiAg5LEd3wdkcd1qfAvrFhiiwS4U0GvCPkqli3vUUGvlRczHDvLjdst2blpA=="
}
},
{
"type": "step",
"primary": "The function domain",
"result": "x<4\\lor\\:x>4"
}
],
"meta": {
"solvingClass": "Function Domain"
}
},
"plot_output": {
"meta": {
"plotInfo": {
"variable": "x",
"plotRequest": "\\frac{7}{x-4}"
},
"showViewLarger": true
}
},
"meta": {
"showVerify": true
}
}
Solution
domain
Solution
+1
Interval Notation
Solution steps
Find undefined (singularity) points:
The function domain
Graph
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Frequently Asked Questions (FAQ)
What is the domain of f(x)= 7/(x-4) ?
The domain of f(x)= 7/(x-4) is x<4\lor x>4