3. Simplify XXXXXXXXXXx+2 – 3x-5 XXXXXXXXXXx XXXXXXXXXXx^2+2x-8 a. 4x-3 x^2+2x-8 b. x^2+3x+13 x^2+2x-8 c. -2x+7 x^2+2x-8 d. x^2+9x+3 x^2+2x-8 6. Annual revenue for a company is given by this formula Reveue( t ) = t^2 -12t+ 27 where Revenue(t) is the annual revenue for year t. What is the annual revenue for year 5? a. 40 b. 8 c. -8 d. 0 8. Find the derivative of this function. If you print this page, make sure that your printer shows the fractional exponents that you see here. f ( x )=3x^1 / 2-4x^-2 a. 3x^-1 /2+8x^3 b. 1.5x^-1 / 2+8x^-3 c. 1.5x^1 / 2+8x^-3 d. 1.5x^1 / 2+8x^-1 9. Find the derivative of this function f ( x )= (3 x+2)^2 (2x-5) a. 3x + 2 b. 2(2x-5)(3x+2)-2(3x+2)^2 XXXXXXXXXX2x-5)^2 c. 6(2x-5)(3x+2)-2(3x+2^2) XXXXXXXXXX2x-5)^2 d XXXXXXXXXX3x+2 ) XXXXXXXXXX 10. Reconsider the revenue function from question 6. How fast is revenue changing at year 5? a. 8 b. 4 c. -8 d. -2
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