For which of the following increasing functions f does (f-1)'(20) = 1/5 A f(x)= x + 5
B f(x) = x^3 + 5x + 20
C f(x) = x^5 + 5x + 14
D f(x)= e^x+ 5x + 19

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

Bring the fraction a/a-4 to a denominator of 16-a^2

Two line segments are shown in the figure below. suppose that the length of the line along the x-axis is 6, and the length of the hypotenuse of the triangle is 10. what is the equation of the hypotenuse line (shown in red, below)?