Question

If given f(x) = x + 4 and g(x) = –2x2 + 3x – 1, what is (f – g)(x)?
A.

(f – g)(x) = –2x2 + 4x – 3
B.

(f – g)(x) = –2x2 – 2x + 5
C.

(f – g)(x) = 2x2 + 2x + 5
D.

(f – g)(x) = 2x2 – 2x + 5

Answer 1

@blurbendy

Answer 2

@ganeshie8

Answer 3

f(x) - g(x) means to subtract the first function from the second.

we know f(x) = x + 4 and g(x) = -2x^2 +3x - 1

So, what is

x + 4 - (-2x^2) + 3x - 1

?

Answer 4

oops x + 4 - (-2x^2 + 3x - 1)

Answer 5

the - sign should distribute across the second equation