Use the elimination method to solve the system.-6x - 5y = 4-6x - 5y = 8

A. (-20, -24)
B. Infinitely many solutions
C. (-24, -20)
D. No solution


Answer: D

Mathematics

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Solve the equation. - 5 = 0

A.
B.
C.
D.

Mathematics

Use the Intermediate Value Theorem to determine whether the polynomial function has a zero in the given interval.f(x) = 7x4 - 6x2 - 7; [1, 2]

A. f(1) = -6 and f(2) = 81; yes B. f(1) = 6 and f(2) = 82; no C. f(1) = 6 and f(2) = -81; yes D. f(1) = -6 and f(2) = -81; no

Mathematics

Solve.The first recorded population of a particular country was 25 million, and the population was recorded as 29 million 15 years later. The exponential growth function  describes the population of this country t years since the first recording. Use the fact that 15 years later the population increased by 4 million to find k to three decimal places.

A. 0.020 B. 0.439 C. 0.010 D. 0.092

Mathematics

Use transformations of the graph of y = x4 or y = x5 to graph the function.f(x) = x5 + 3 

A.

B.

C.

D.

Mathematics