Question

10. Find f(-3) + 1 using the following equation f(x) = 5x – 4

Answer 1

We are to find the value of f(-3) + 1

using the following expression for f(x):

f(x) = 5 x - 4

Then f(-3) = 5 (-3) - 4 = -15 - 4 = - 19

since we need to add 1 to this result, we get:

f(-3) + 1 = -19 + 1 = - 18