Question

Find the value of x so that f(x)= -9 if f(x) =3x+4

Answer 1

f(-9) = -23

Explanation:

Step 1: Identify the function

f(x) = 3x + 4

Step 2: Set x to -9 in the function

f(-9) = 3(-9) + 4

Step 3: Multiply

f(-9) = -27 + 4

Step 4: Add

f(-9) = -23

Answer: f(-9) = -23