Use a Venn diagram to answer the question.A survey of 260 families showed that99 had a dog;76 had a cat;34 had a dog and a cat;98 had neither a cat nor a dog, and in addition did not have a parakeet;8 had a cat, a dog, and a parakeet.How many had a parakeet only?
A. 26
B. 31
C. 36
D. 21
Answer: D
Mathematics
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At what points is the given function continuous?f(x, y, z) = 
A. All (x, y, z) ? (0, 0, 0) B. All (x, y, z) ? ± (-3, 9, -8) C. All (x, y, z) D. All (x, y, z) ? (-3, 9, -8)
Mathematics
Determine if the given value is a solution to the equation.
x - x = 
x - 
; x = - 
A. No B. Yes
Mathematics
Find the derivative.f(x) = cos e3x
A. e3x cos e3x B. 3e3x sin e3x C. -3 sin e3x D. -3e3xsin e3x
Mathematics
Evaluate the function as indicated.Find f(0) using the graph of f provided below.
A. 0 B. -1 C. 1 D. -2
Mathematics