2007-08-03 16:58:17 · 8 answers · asked by Virtuous Woman 1 in Science & Mathematics ➔ Mathematics
This just means to plug -1 in for x in the equation, and then simplify to see what you get. This is easy in this case...
f(x) = 4x - 3
f(-1) = 4(-1) - 3
f(-1) = -4 - 3
f(-1) = -7
So, your answer is f(-1) = -7.
2007-08-03 17:00:53 · answer #1 · answered by C-Wryte 4 · 0⤊ 1⤋
4(-1)-3= -7
substitute x to -1
2007-08-04 00:04:01 · answer #2 · answered by ckorski 1 · 0⤊ 0⤋
Subsituting -1 for x,
f(-1) = 4(-1)-3
= -4 -3
= -7
thats the answer
2007-08-04 03:59:59 · answer #3 · answered by JP Ganesh 1 · 0⤊ 2⤋
f(-1)=4(-1)-3
= -4-3
= -7
f(-1)=-7
2007-08-04 00:06:51 · answer #4 · answered by sudha n 1 · 0⤊ 0⤋
f(x) = 4x - 3
f(-1) = 4(-1) - 3
f(-1) = -7
2007-08-04 00:30:54 · answer #5 · answered by Anonymous · 0⤊ 1⤋
f(x) = 4x -3
find f(-1)
f(-1)= 4(-1) - 3
f(-1)= -7
2007-08-04 07:00:56 · answer #6 · answered by rhez 1 · 0⤊ 2⤋
-7
2007-08-04 00:05:28 · answer #7 · answered by Hesham 3 · 0⤊ 0⤋
f(-1) = 4 x (-1) - 3
f(-1) = - 4 - 3
f(-1) = - 7
2007-08-04 03:27:44 · answer #8 · answered by Como 7 · 2⤊ 0⤋