Multiply. Assume that all variables represent nonnegative real numbers.2

A. 49t2 + 2 + r2
B. 7t +  + r
C. 49t2 +  + r2
D. 7t + 2 + r

Answer: D

Mathematics

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Find functions f and g so that F(x) = (f ? g) (x).F(x) = 

A. f(x) = -, g(x) = 10x + 7
B. f(x) = , g(x) = 10x + 7
C. f(x) = x, g(x) = 10x + 7
D. f(x) = , g(x) = 10x - 7

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Determine a window which gives a complete graph of the polynomial function.f(x) = 0.3x5 + 3x4 - 2x3 + 3x2 + 2

A. [-5000, 5000] by [-150, 150] B. [-6, 6] by [-3000, 3000] C. [-20, 20] by [-5000, 8000] D. [-10, 10] by [-1200, 2000]

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For the pair of functions, find the indicated sum, difference, product, or quotient.f(x) = , g(x) = Find (f - g)(x).

A.
B.  - 
C.  -  
D.  

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Answer the question.Consider the numbers , -16, -1, , , 0., 0.35. Which are irrational numbers?

A. , 0. 
B.
C.
D. , 0.

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Mathematics