Mathematics 30-1 Midterm - TS 5 . Given a > b > c > 0, the function f(x) = x(x - a)(x + b)(x - c) is less than or equal to zero on the intervals A. (-09, - b], [0, c], and [a, co) B. (-0o, - b], [0, a], and [c, co) C . [- a, - c] and [0, b] D. [- b, 0] and [c, a] 6. The graph of the function y = 6 x - 4 + 3 has a A . vertical asymptote at x = 4 only. B. horizontal asymptote at y = 3 only. horizontal asymptote at y = 0 and a vertical asymptote at x = 4. D. horizontal asymptote at y = 3 and a vertical asymptote at x = 4. Numerical Response 4. The largest non-permissible value of x for the equation - x+3 + x - 4= 2 is 7. The domain and range of the function P(r) = 500(0.7) are A. Domain: {r | r ER} and Range: {P(r) | P(r) ER} B. Domain: {r | r E R} and Range: {P(r) | P(r) > 0, P(r) E R} C . Domain: {r | r E R} and Range: {P(r) | P(r) 2 0, P(r) ER} D . Domain: {r | r > 0, r ER} and Range: {P(r) | P(r) > 0, P(r) ER} 8. A strain of bacteria is reduced by 30% every 40 minutes when an antibiotic is 1 If is the initial number of bacteria present, and A(t ) represents the