Add or subtract as indicated. Express the answer as a single polynomial in standard form.(13x4 + 2x2) - (-5x4 + 2x2)
A. 18x4 + 0x2
B. 18x6
C. 18x4 + 4x2
D. 8x4 + 4x2
Answer: A
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Solve the right triangle. If two sides are given, give angles in degrees and minutes.
B = 62°14', b = 8 kmRound side lengths to one decimal place.
A. A = 27°46'; c = 9.0 km; a = 4.2 km B. A = 27°46'; c = 17.2 km; a = 4.2 km C. A = 27°46'; c = 17.2 km; a = 9.0 km D. A = 27°46'; c = 9.0 km; a = 17.1 km
Solve the problem.Suppose that the annual consumption c (in gallons per person) of sports drinks in the United States can be modeled by the equation 
and that the U.S. population p (in millions) can be modeled by 
, where t is the number of years since 1990. Determine the total annual consumption of sports drinks in the U.S. in 1993.
A. 243,801,600 gal B. 163,104,000 gal C. 153,564,000 gal D. 249,504,000 gal
Use the graphs to evaluate the expression.f(3) * g(-2)y = f(x)y = g(x)
A. -3
B. 5
C. 4
D. 
The graph of a one-to-one function f is given. Draw the graph of the inverse function f-1 as a dashed line or curve.f(x) = 
A. 
B. 