Function with values

Question

Find the indicated function values for the function f(x)=2x²+8x-5. a. f(0) b. f(5) c. f(-4) d. f(b) e. f(2a)

Answer 1

f(x) = 2x² + 8x - 5

f(0) = 2(0)² + 8(0) - 5

f(5) = 2(5)² + 8(5) - 5

f(-4) = 2(-4)² + 8(-4) - 5

And so on......