the answers it gives me is
a) 45
b) 14
c) 19
d) 28
2007-01-16 15:36:43 · 7 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
f(4)=3(4)+7
4f=19
2007-01-16 15:57:27 · answer #1 · answered by ♣DreamDancer♣ 5 · 0⤊ 0⤋
Replace "x" in 3x + 7 with 4.
This gives you 3*4 + 7 = 12 + 7 = 19
2007-01-16 15:51:36 · answer #2 · answered by Edward W 4 · 0⤊ 0⤋
replace the x with 4 therefore you will have:
f(4)=3(4)+7
=12+7
=19
2007-01-16 15:57:44 · answer #3 · answered by music_gurl62091 2 · 0⤊ 0⤋
f(4) = 3 (4) + 7
= 12 + 7 = 19
Ans : C
2007-01-16 19:15:37 · answer #4 · answered by Kinu Sharma 2 · 0⤊ 0⤋
f(x)=3x+7
f(4)=3*4+7
=12+7
=19
So, the answer is c.) 19
2007-01-16 16:06:47 · answer #5 · answered by loally 2 · 0⤊ 0⤋
f(x) = 3*x + 7
f(4) = 3*4 + 7 = 19
2007-01-16 15:52:50 · answer #6 · answered by abhikush 2 · 0⤊ 0⤋
F(x) = 3x+7 at f(4)
f(4)=3*4+7
f(4)=12+7
f(4)=19
c) 19
is correct
2007-01-16 17:10:09 · answer #7 · answered by yupchagee 7 · 0⤊ 1⤋