Question

Evaluate the expression for the given value of x.

2x + 3 for x = 4
−5x + 7 for x = −2
1.5x − 3.5 for x = 9
0.3x + 9.7 for x = −2


-3/4 x + 10 for x = −4

Answer 1

1. 11

2. 17

3. 10

4. 9.1

5. 13

Explanation:

1. 2(4)+3

8+3=11

2.-5(-2)+7

10+7=17

3. 1.5(9)-3.5

13.5- 3.5 =10

4.0.3(-2)+9.7

-.6+9.7= 9.1

5. -3/4(-4)+10

3+10=13