Find two sets of parametric equations for the given rectangular equation.y = x2 - 5
A. x = t, y = t2 - 5; x = 
, y = t + 5, t ? 0
B. x = -t, y = t2 + 5; x = 
, y = t - 5
C. x = t, y = t2 - 5; x = 
, y = t - 5, t ? 0
D. x = -t, y = t2 - 5; x = 
, y = -t + 5, t ? 0
Answer: C
Mathematics
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The function f is one-to-one. Find its inverse.f(x) = x2 + 2, x ? 0
A. f-1(x) = 
- 2, x ? 0
B. f-1(x) = 
, x ? 2
C. f-1(x) = 
, x ? -2
D. f-1(x) = 
- 2, x < 0
Mathematics
In a certain village, the height of women in inches follows the Normal (64, 2.5) . Find the probability that a randomly selected woman from the village is at least 60 in. tall.
What will be an ideal response?
Mathematics
Simplify.
A. 
B. 
C. 6x
D. 12x
Mathematics
Match the polynomial with its binomial factors.15x2 + 14x - 8
A. (15x - 1)(x - 2) B. (15x + 4)(x - 2) C. (3x - 4)(5x + 2) D. (3x + 4)(5x - 2)
Mathematics