Question

1. Given g(x) = 2x + 5 Find f(0)

2. Given f(x) = 3x - 9 Find f(-5)
3. Given f(x) = x - 12 and g(x) = 5x + 1 Find f(3) + g(1)

Answer 1

To find f(0), substitute 0 into the function. To find f(-5), substitute -5 into the function. To find f(3) + g(1), substitute 3 into f(x) and substitute 1 into g(x) and then perform the calculations.

Step-by-step explanation:

To find the value of f(0), we need to substitute 0 in place of x in the function f(x) = 3x - 9. So, f(0) = 3(0) - 9 = -9.

To find the value of f(-5), we need to substitute -5 in place of x in the function f(x) = 3x - 9. So, f(-5) = 3(-5) - 9 = -24.

To find the value of f(3) + g(1), we need to substitute 3 in place of x in the function f(x) = x - 12 and substitute 1 in place of x in the function g(x) = 5x + 1. So, f(3) + g(1) = (3 - 12) + (5(1) + 1) = -9 + 6 + 1 = -2.