The two triangles below are similar. Find the missing length.
A. x = 7.5; y = 10.5
B. x = 9; y = 12
C. x = 9; y = 15
D. x = 30; y = 42
Answer: A
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Evaluate the determinant.
A. 49 B. 37 C. -7 D. 7
Solve the problem.A rectangular shipping crate, like the figure shown, has a diagonal measurement from the lower back corner to the upper front corner of 91 in. If the longest side is 4 times the shortest side and the third side is 7 longer than the shortest side, find the measurements of the crate to the nearest unit. The formula for the diagonal is d = 
. 
x x + 7 4x
A. 21 in., 28 in., 84 in. B. 35 in., 36 in., 140 in. C. 22 in., 29 in., 88 in. D. 35 in., 84 in., 91 in.
Analyze the graph of the given function f as follows:(a) Determine the end behavior: find the power function that the graph of f resembles for large values of |x|.(b) Find the x- and y-intercepts of the graph.(c) Determine whether the graph crosses or touches the x-axis at each x-intercept.(d) Graph f using a graphing utility.(e) Use the graph to determine the local maxima and local minima, if any exist. Round turning points to two decimal places.(f) Use the information obtained in (a) - (e) to draw a complete graph of f by hand. Label all intercepts and turning points.(g) Find the domain of f. Use the graph to find the range of f.(h) Use the graph to determine where f is increasing and where f is decreasing.f(x) = x2(x2 - 4)(x + 4)
What will be an ideal response?
Determine whether the graph shown is the graph of a polynomial function.
A. polynomial function B. not a polynomial function