Question

a(c) = 2c - 4
evaluate a(4)
type answer here.

Explanation:

Step1: Substitute c=4 into a(c)

$a(4) = 2(4) - 4$

Step2: Calculate the product term

$a(4) = 8 - 4$

Step3: Compute the final subtraction

$a(4) = 4$

Answer:

4