Tell whether the relation is a function.{(-6, 9), (-1, -4), (4, -8), (4, -3)}
A. Function
B. Not a function
Answer: B
Mathematics
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Use a finite approximation to estimate the area under the graph of the given function on the stated interval as instructed.f(x) = x2 between x = 0 and x = 1 using a right sum with two rectangles of equal width.
A. .3145 B. .125 C. .75 D. .625
Mathematics
Solve the problem.What principal invested at 8% compounded continuously for 4 years will yield $1190? Round the answer to two decimal places.
A. $1188.62 B. $1638.78 C. $864.12 D. $627.48
Mathematics
Solve the system by the elimination method.x + y = 10x - y = 4
A. ? B. {(6, 4)} C. {(-7, 4)} D. {(7, 3)}
Mathematics
Factor by grouping.2x2 - 3x - 5
A. (2x + 5)(x - 1) B. (2x - 1)(x + 5) C. (2x + 1)(x - 5) D. (2x - 5)(x + 1)
Mathematics