Solve the problem.At about what velocity do you enter the water is you jump from a 15 meter cliff? (Use g = 9.8 m/sec2.)

A. 2 m/sec
B. -17 m/sec
C. -8.5 m/sec
D. 17 m/sec


Answer: B

Mathematics

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Graph the equation.y = x2 + 2x - 4

A.

B.

C.

D.

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Solve the initial value problem and leave the solution in implicit form.y'(x) = , y(-4) = -4

A. y2 + 22y = 14x - x2 B. 2y2 + 11 = 7x - 2x2 C. y2 + 22 = 14x - x2 + 32 D. y2 + 121y = 49x - x2 - 8

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Solve the equation. Express radicals in simplest form.(x + 4)2 - 3 = 0

A. 4 ± 
B. -4 ±  
C. -1, 7
D. -2 ±  

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Simplify.

A. 13 B. 84 C. 14 D. Not a real number

Mathematics