(a) f(-2), h(1), and g(7) (c) (hof)(x) (b) 3h(2)+2[g(-1)] (gof)(-1) (d) (ff)(-2) 6. Find the domain of the following functions. (a) f(x)=x+2+x +9 4 (b) q(x) = 4x-5 (d) k(x) = (c) g(x): 3x2 5 x-4 + 3x + 2 + x - 3 (f) * h(x) 2x-1 x+2 4 x- 9 (g) * q(x) +|x 1 x+1 3 1 x- x-3 (h) * g(x) = + -2x x+3 (e) * p(x) x-4-5 7. The graph of a function, f, is shown here. (a) What is the domain of f? (b) What is the range of f? (c) What is f(-1)? (d) Find all numbers x such that f(x) = 2. (e) Identify all extrema of f. 8. The graph of g is given at right (a) Find the domain of g. (b) Find the range of g. 3 2 1 (c) For which x is g(x) > 0? (d) For which x is g(x) = 2? (e) On which intervals is g increasing? 5-4-3-2 12 3. 4 5 6 789 2 3. x 9. After purchasing a squishmallow for $20, its value decreases by $0.35 per year. (a) What is the squishmallow's value 7 years after purchase? (b) How many years will it take for this squishmallow's value to reach $0? 10. Determine the long run behaviors for the following functions and identify the maxin number of zeros and turning points each could have (a) f(x) = -2x3 + 4000000x + 5000 (b) q(x)=3x+5x + 6x5 + x+3x-9 (c) p(x) = (x- 4) (3x + 2) (4x - 5) (2 x) 1 (d) * h(x) = (3 x)(2x 3) (2x 1)(x+5) (e) *k(x) = 3()