Find a rectangular equation for the plane curve defined by the parametric equations.x = 2t - 1, y = t2 + 5; -4 ? t ? 4
A. y = - 
x + 30; for x in -6 ? x ? 4
B. y = 
x2 + 
x + 
; for x in -9 ? x ? 7
C. y = x2 + 1; for x in -2 ? x ? 2
D. y = 
x2 + 1; for x in -6 ? x ? 4
Answer: B
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Find f(x) and g(x) such that h(x) = (f ? g)(x).h(x) = (x - 2)5 + 8(x - 2)4 - 2(x - 2)2 + 1
A. f(x) = x5 - 8x4 + 2x2 + 1, g(x) = x + 2 B. f(x) = x5 + 8x4 - 2x2, g(x) = x - 3 C. f(x) = x5 + x4 - x2 + 1, g(x) = x - 2 D. f(x) = x5 + 8x4 - 2x2 + 1, g(x) = x - 2
Find a set of parametric equations for the rectangular equation.
What will be an ideal response?
Solve the inequality.|17x + 6| < 0
A. (-?, ?)
B. {- 
}
C. 
? 
D. ?
Solve the problem.A flagpole is perpendicular to the horizontal but is on a slope that rises 10° from the horizontal. The pole casts a 43-foot shadow down the slope and angle of elevation of the sun measured from the slope is 36°. How tall is the pole? Round your answer to the nearest 0.1 foot.
A. 35.4 ft B. 36.4 ft C. 36.2 ft D. 33.5 ft