Determine the constant of variation for the stated condition.b varies directly as a, and b = 72 when a = 8.
A. k = 64
B. k = 11
C. k = 
D. k = 9
Answer: D
Mathematics
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Determine whether the given function is one-to-one. If so, find a formula for the inverse.f(x) = 10
A. f-1(x) = 10
B. f-1(x) = -10
C. Not a one-to-one function
D. f-1(x) = 
Mathematics
Find the indicated probability.The probability that Luis will pass his statistics test is 0.59. Find the probability that he will fail his statistics test.
A. 0.41 B. 1.69 C. 0.30 D. 1.44
Mathematics
The function f is one-to-one. Find its inverse.f(x) = 8x2 - 4, x ? 0
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = - 
D. f-1(x) = 
Mathematics
Provide an appropriate response.Explain why this sequence of steps is incorrect.log364?= log3
= log3
+ log3
What will be an ideal response?
Mathematics