Question

Find g (x) - f (x) g (x) = x2 + 1 and f (x) = 2x + 5 A. x2 - 2x - 4 B. -x2 + 2x + 4 C. x2 - 2x + 4 D. x2 + 2x + 6​

Answer 1

A + B = 21

(c) A = −10, B = 31

(d) 24x

2 − 34x + 31

2. (a) -

(b) (x + 3)(2x + 1)(7 − 3x)

(c) y = 1.22

3. (a) 5

(b) f(−2) = 0

(c) (x + 2)(3x + 2)(2x − 1)

4. (a) -

(b) A = −96, B = −48

(c) 3(2x + 1)(x + 4)(x − 4)

5. (a) f(2) = 0

(b) (x − 2)2

(2x + 1)

6. (a) -

(b) (x − 3)(2x − 3)(x