Use the vertical line test on the graph to determine if y is a function of x.
A. Not a function
B. Function
Answer: A
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Solve for x using an equivalent exponential expression.The outside of a water storage tank is in the shape of a sphere. Approximate to the nearest hundredth the volume of the tank with a radius of 13 feet. Use 3.14 for ?.
A. 9,198.11 cu ft B. 707.55 cu ft C. 6,898.58 cu ft D. 530.66 cu ft
Solve the problem.Find the length of the unknown side of the right triangle, where a and b are the legs and c is the hypotenuse. a = 6, b = ?, c = 10
A. b = 10 B. b = 8 C. b = 7 D. b = 9
Use the given graph of the quadratic function f to write its formula as 
.
A. f(x) = -(x + 2)2 - 2 B. f(x) = -(x - 2)2 + 2 C. f(x) = -(x + 2)2 + 2 D. f(x) = (x + 2)2 + 2
Find the matrix product AB, if it is defined.A = 
, B = 
.
A. 
B. 
C. AB is undefined.
D. 