Question

Can someone tell me the answer

Answer 1

10

Explanation:

Step 1: Equation

f (x) = 3x - 20

Step 2: Given

x = 10

Step 3: Substitute

f (10) = 3 ( 10 ) - 20

Step 4: Solve

f (10) = 30 - 20

Step 5:

f (10) = 10

Answer:

10

Hope This Helps :)