Express the solution set of the inequality in interval notation.x < -22
A. (-?, -22]
B. (-22, ?)
C. (-?, -22)
D. [-22, ?)
Answer: C
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Find the x- and y-intercepts. If no x-intercepts exist, state so. Round to two decimal places if necessary.y = 2x2 - 7
A. No x-intercept; y-intercept (0, -7) B. x-intercepts (1.87, 0) and (-1.87, 0); y-intercept (0, -7) C. x-intercepts (1.87, 0) and (-1.87, 0); y-intercept (0, 7) D. x-intercept (1.87, 0); y-intercept (0, -7)
Find the length of the indicated portion of the trajectory.r(t) = (1 + 3t)i + (1 + 7t)j + (2 - 2t)k, -1 ? t ? 0
A. 
B. 
C. 
D. 
Provide an appropriate response. Solve the following quadratic using any method, rounding to the nearest hundredth if necessary: 6x2 - 16x + 8 = 0.
A. x = -2, -0.67 B. x = -2, -0.66 C. x = 2, 0.67 D. x = 2, 0.66
Factor completely, or state that the polynomial is prime.x2(a - 4) + y2(4 - a)
A. (a - 4)(x + y)(x - y) B. (a - 4)(x2 + y2) C. prime D. (4 - a)(x + y)(x - y)