Question

What is the value of the function y = 2x + 3 ⁢when x=−1?

A)
5

B)
2

C)
1
​
D)
−5

Answer 1

2(-1)+3 -2+3 1 The answer is C!

Answer 2

Put the value of x in function:

y = 2(-1)+3 = -2+3 = 1

SO, OPTION C IS YOUR ANSWER.