### Home > A2C > Chapter 2 > Lesson 2.2.2 > Problem 2-142

2-142.

Multiply each pair of functions below to find an expression for

*f*(*x*) ·*g*(*x*). 2-142 HW eTool (Desmos). Homework Help ✎*f*(*x*) = 2*x*,*g*(*x*) = (*x*+ 3)*f*(*x*) = (*x*+ 3),*g*(*x*) = (*x*− 5)*f*(*x*) = (2*x*+ 1),*g*(*x*) = (*x*− 3)*f*(*x*) = (*x*+ 3),*g*(*x*) = (*x*+ 3)

Multiply the expressions.

(2*x*) (*x* + 3)

2*x*^{2} + 6*x*

Multiply using a generic rectangle.

See part (b).

See part (b).

Use the eTool below to help you multiply.

Click the link at right for the full version of the eTool: A2C 2-142 HW eTool