Factor completely. If the polynomial cannot be factored, write "prime."9x2 + 34x - 8
A. (2 - 9x)(9x - 2)
B. (9x - 2)(x + 4)
C. (9x - 2)(x - 4)
D. (9x - 10)(9x - 2)
Answer: B
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Find the mode or modes.87, 34, 32, 34, 29, 87
A. 34 B. 50.5 C. 87 D. 87, 34
Round to the indicated place value.Round to the nearest thousandth: 0.431112
A. 0.44 B. 0.43 C. 0.4311 D. 0.431
Multiply and simplify. Assume that all variables represent positive real numbers.(
+ 3)(
- 3)
A. 7 - 2
B. -2
C. 16
D. 4
Use a graphing utility to graph the function over the indicated interval and approximate any local maxima and local minima. Determine where the function is increasing and where it is decreasing. If necessary, round answers to two decimal places.f(x) = 0.15x4 + 0.3x3 - 0.8x2 + 5; (-4, 2)
A. local maximum at (0, 5) local minima at (-2.55, 1.17) and (1.05, 4.65) increasing on [-4, -2.55] and [0, 1.05] decreasing on [-2.55, 0] and [1.05, 2] B. local maximum at (0, 5) local minima at (-2.55, 1.17) and (1.05, 4.65) increasing on [-2.55, 0] and [1.05, 2] decreasing on [-4, -2.55] and [0, 1.05] C. local maximum at (-2.55, 1.17) and (1.05, 4.65) local minima at (0, 5) increasing on [-4, -2.55] and [0, 1.05] decreasing on [-2.55, 0] and [1.05, 2] D. local maximum at (-2.55, 1.17) and (1.05, 4.65) local minima at (0, 5) increasing on [-2.55, 0] and [1.05, 2] decreasing on [-4, -2.55] and [0, 1.05]