Solve the equation. -  = 1

A. ±1
B. ±1, ±3j
C. 1, 3j
D. 3


Answer: B

Mathematics

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Sketch a graph of f.f(x) = -3x2

A.

B.

C.

D.

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Solve by the substitution method.8x + 8y = -24-4x - 5y = 19

A. (3, -6) B. (4, -6) C. No solution D. (4, -7)

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Solve the system of linear equations.9x - 2y = 298x + 9y = 112

A. (-5, 8) B. No solution C. (5, 8) D. (-4, -7)

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Solve.The size of the raccoon population at a national park increases at the rate of  per year. If the size of the current population is 114, find how many raccoons there should be in 7 years. Use  and round to the nearest whole number.

A. 157 raccoons B. 159 raccoons C. 153 raccoons D. 155 raccoons

Mathematics