Question

Assume f(x) = -2x + 8 and g(x) = 5x. What is the value of (f o g)(3)?
a. -22
b. 3x+8
c. 17
d. 29

Answer 1

.

Answer 2

\[(f\circ g)(x) = f(g(x)) \]\[= -2(g(x)) + 8\]\[=-2(5x) + 8\]
...
etc.

Answer 3

And when you're done simplifying, plug in a 3 for the x.