Question

Given q(x) =3x and r(x) = x^2 . What is (r•q)(2)? a) 12
b) 36
c) 18
d) 24

Answer 1

To find (r•q)(2), substitute the value of x as 2 in the expressions r(x) and q(x). Multiply the resulting values of r(2) and q(2) to get the final answer of 24.

Step-by-step explanation:

To find (r•q)(2), we need to substitute the value of x as 2 in the expression r•q.

First, let's find the value of r(2). We substitute 2 in the expression x^2 and get r(2) = 2^2 = 4.

Next, let's find the value of q(2). We substitute 2 in the expression 3x and get q(2) = 3(2) = 6.

Finally, we multiply r(2) and q(2): (r•q)(2) = 4 • 6 = 24.

Therefore, the answer is d) 24.