Question

what is f(-3) if f(x)= 2x+1 +5

Answer 1

i got 10

Answer 2

nope

Answer 3

2(-3) + 1 + 5 = ?

Answer 4

12?

Answer 5

nope

Answer 6

2(-3) = ?

Answer 7

-6

Answer 8

The idea is to replace x with -3. That is what f(-3) means to f(x).

Answer 9

good, so 2(-3) + 5 + 1 = ?

Answer 10

0

Answer 11

thank you !

Answer 12

Once you replace x with -3 the expression is called a numerical expression that you simplify using the order of operations :-)