What is the inverse function of y = log 4x ?
What is the inverse function of y = ln x?
Which irrational number does ln have in its base?
y = ex
What is the inverse function of y = 15x + 3?
Solve for the dependent variable first.
What is the inverse function of y = 5x + 1?
Just solve for x, then swap those variables.
Is y = 4x the inverse of logx 4 = y?
What does the base of the logarithm represent?
No. The inverse of y = 4x is y = log4 x. The base of the logarithm is the base of the exponential function.
If f(x) = 2x + 2, what is f(f -1(x))?
Find the inverse, then plug the entire inverse into the original function.
What is the inverse function of y = log4 (3x + 2)?
Start by rewriting the equation as 4y = 3x + 2.
What is the inverse function of y = 3x + 1?
Don't forget to make those variables swap places.
Is f(x) = x2 a one-to-one function?
Will squaring -2 and 2 (or the positive/negative values of any number) give the same answer?
Solve for x:
y = 4x – 3
It's like finding the inverse, but not quite.
x = log4(y + 3)
Solve for x:
y = 10ex
It's au naturel, right? Try dividing both sides by 10, then taking the natural log of both sides.
What is the inverse function of y = 7(x + 10)?
Don't worry, exponentiation won't hurt the exponent on the 7.
y = log7(x) – 10
Is the following function one-to-one?
f(x) = x3 + 4
Graph me and see!
How should we restrict the domain of this function to make it one-to-one?
f(x) = 2x2 – 4
When will the horizontal line test pass?
x > 0 or x < 0
Make it rain.
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