Rewrite the following using radicals; then simplify if possible. Assume that all variables represent nonnegative values.
1/2
A. 
B. 
C. 
D. 
Answer: A
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Write the number in scientific notation.0.000037215
A. 3.7215 × 104 B. 3.7215 × 10-4 C. 3.7215 × 10-5 D. 3.7215 × 105
Write an equation for the parabola.
A. y2 = -4x B. x2 = -4y C. y2 = 4x D. x2 = 4y
Match the function with its graph.1) f(t) = sin (2t)2) f(t) = cos (2t)3) f(t) = sin ( src="https://sciemce.com/media/4/ppg__tttt0509190846__f1q152g6.jpg" alt="" style="vertical-align: 0.0px;" height="229" width="232" />
A. 1B, 2C, 3D, 4A
B. 1B, 2C, 3A, 4D
C. 1D, 2A, 3B, 4C
D. 1C, 2B, 3A, 4D
t)4) f(t) = cos (
t)A)B)
C)D)
Solve the problem. Round your answer to the nearest tenth unless indicated otherwise.A car's speedometer shows that the car is going 89 km/hr. What is this in miles per hour?
A. 55.2 mi/hr B. 143.3 mi/hr C. 84.2 mi/hr D. 94.3 mi/hr