Evaluate the algebraic expression for the given values of the variables.
for a = 42 and b = 54
A. 96
B. 16
C. 51
D. 61
Answer: B
Mathematics
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Match the surface show below to the graph of its level curves.
A. 
B. 
C. 
D. 
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Find the product of the following number.
(3 + 7j) ú (4 - 5j) a. 12 + 13j b. 12 - 13j c. 47 + 13j
Mathematics
Find the domain of the composite function (g ? f)(x). Write the domain in interval notation.f(x) = 4x2 + 4x + 5, g(x) = 4x - 7
A. (-?, 0) ? (4, ?) B. (-?, ?) C. (-?, 0] D. [0, ?)
Mathematics
The graph of a certain function y = f(x) and the zero of that function is given. Using this graph, find a) the x-intercept of the graph of y = f(x) and b) the solution to the equation f(x) = 0.
A. a. 0 b. x = 2.5 B. a. -2.5 b. x = -2.5 C. a. 2.5 b. x = 0 D. a. 2.5 b. x = 2.5
Mathematics