Indicate function values

Question

Find the indicated function values for the function f(x)=5x²+4x-6. a. f(0) b. f(6) c. f(-2) d. f(b) e. f(7a)

Answer 1

5x^2 +4x -6

f(0) = -6

f(6) = 198

f(-2) = 6

f(b) = 5b^2 +4b -6

f(7a) = 245a^2 +28a -6

Answer 2

f(0) = 5(0)² + 4(0) - 6

f(0) = 0 + 0 - 6

f(0) = -6

f(6) = 5(6)² + 4(6) - 6

f(6) = 5(36) + 4(6) -6

f(6) = 180 + 24 - 6

f(6) = 198

f(-2) = 5(-2)² + 4(-2) - 6

f(-2) = 5(4) + 4(-2) - 6

f(-2) = 20 + (-8) - 6

f(b) = 5b² + 4b - 6

f(7a) = 5(7a)² + 4(7a) - 6

f(7a) = 5(49a²) + 4(7a) - 6

f(7a) = 245a² + 28a - 6

Answer 3

f(x) = 5x² + 4x - 6

f(0) = 5(0)² + 4(0) - 6

The others are similar