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1 June, 07:57

1. which expression is equal to (f+g) (*) f (x) = x^2+3; g (x) = x-1

A. x^3-3

B. x^2-2x+4

C. x^2+x+2

D. x^3-x^2+3x-3

2. which expression is equal to (fog) (x)

f (x) = 3x; g (x) = 4x^2+1

A. 12x^3+3x

B. 4x^2+3x+1

C. 12x^2+3

D. 36x^2+1

3. f (x) = 2x-8; g (x) = x-5

what is the value of (gof) (6)

a. - 6

b. - 1

c. 1

d. 6

4. f (x) = 5x-10 what is the value of f^-1 (-3)

a. - 5

b. 1.4

c. 9.4

d. - 25

+1
Answers (1)
  1. 1 June, 10:58
    0
    The answer of your first question is the part (C)

    The answer of your second question is also part (C)

    The answer of your third question is part (b)
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