Simplify the expression. Assume that all variables are positive.
? 
A. 
B. 
C. 15x4
D. x4
Answer: C
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Solve the problem.Suppose that the accompanying table shows the velocity of a car every second for 8 seconds. Use the Trapezoidal Rule to approximate the distance traveled by the car in the 8 seconds. Round your answer to the nearest tenth if necessary.
A. 137.5 ft B. 209.5 ft C. 275 ft D. 153 ft
Determine whether the relation is a function.The number of tests in various classes:
A. A function B. Not a function
Provide an appropriate response.If the points in the table lie on a parabola, write the equation whose graph is the parabola.
A. y = 3(x + 2)2 + 4 B. y = 3(x - 2)2 + 4 C. y = 3x2 + 12x - 8 D. y = 3x2 + 12x + 8
Write the decimal in words.2.62
A. Two and sixty-two millionths B. Two and sixty-two hundredths C. Two and sixty-two thousandths D. Two and sixty-two tenths