IF f(x) = 3x+4 and g(x) = 7x-9. What is f(5)? And what is fg(x)?

What is f(5)?

f(x) = 3x + 4

f(5) = 3(5) + 4

     = 15 + 4

     = 19

And what is fg(x)?

f(x) = 3x + 4

g(x) = 7x - 9

fg(x) = (3x + 4) (7x - 9)

       = 21x² + x - 36

answer: answer is c!

ok i got to organize the

3/15 and 12/55

3*

aha

3*4 equals 12 but not

a: no

b:

8/24 12/35

no

gautie

it's c

5/18 = 25/90

5*5=25

18*5 = 90

hope that you!

one more happy customer!

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