Solve the joint variation.If y varies jointly with x and z, and y = 30 when x = 3 and z = 2, find y when x = 4 and z = 1.

A. 5
B.
C. 20
D. 4

Answer: C

Mathematics

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Evaluate the integral using the given substitution. dx, u = 2x2

A. sin(2x2) + C
B.  sin (u) + C
C.  sin (2x2) + C
D.  sin (2x2) + C

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Mathematics

State whether the function is a polynomial function or not. If it is, give its degree.f(x) = -10x5 - 2x4 - 4

A. Yes; degree 10 B. Yes; degree 5 C. Not a polynomial D. Yes; degree 9

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Mathematics

Solve using a matrix on a graphing calculator.

A. (-8, 3, 16) B. (8, 3, 6) C. (8, 6, 3) D. No solution

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Mathematics

Give the equation of the vertical asymptote(s) of the rational function.g(x) = 

A. x = -6 B. x = 6, x = -6 C. x = 7 D. x = 6

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Mathematics