Use an integer to express the number.Mr. Voss increased his speed by 20 miles per hour.
A. -20
B. 20
Answer: B
Mathematics
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Find the power function that the graph of f resembles for large values of |x|.f(x) = (x + 3)2
A. y = x6 B. y = x3 C. y = x2 D. y = x9
Mathematics
Without graphing the function, determine its amplitude or period as requested.y = -2 sin xFind the amplitude.
A. -2?
B. 2?
C. 2
D. 
Mathematics
Solve by the substitution method.x - 2y = -178x - 3y = -58
A. {(-5, 6)} B. {(5, 7)} C. ? D. {(-6, 7)}
Mathematics
Make an approximate conversion as indicated. Round to the nearest tenth. The precise value of your approximation will depend on the conversion path that you choose.6.2 yd = 
m
A. 157.5 m B. 47.2 m C. 244.1 m D. 5.6 m
Mathematics