Answer and step-by-step explanation:
Please look at the picture above for the solutions.
To find the answers, substitute the given values of x to the given function. Then simplify.
For e, apply the distributive property of multiplication.
The answers are:
b. f(-2) = -3
c. f(1/2) = 2
d. f(a) = 2a + 1
e. f(a - b) = 2a - 2b + 1
