Find the inverse of A if it has one, or state that the inverse does not exist.A = 
A. 
B. 
C. 
D. Inverse does not exist
Answer: C
Mathematics
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Decide whether the figure is convex or concave.
A. Concave B. Convex
Mathematics
An initial investment of $4000 grows at an annual interest rate of 5% compounded continuously. How long will it take to double the investment?
a. 1 year b. 14.40 years c. 13.86 years d. 14.86 years
Mathematics
Answer the question.If it takes p days to paint a house, what is the worker's rate (in job per day)?
A. 
job per day
B. p job per day
C. p - 1 job per day
D. 
job per day
Mathematics
Evaluate the polynomial function at the given value.Find P(-4) if P(x) = -4x2 - 4x - 7.
A. 73 B. -55 C. -87 D. 41
Mathematics