Determine between which two consecutive whole numbers each square root lies.
A. 13 and 14
B. 14 and 15
C. 15 and 16
D. 10 and 11
Answer: B
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An x-ray of a patient's leg is done with a current setting of 30mA for a time of 1s. If none of the distances is changed and the current is increased to 60mA, what should the exposure time be?
A. 2s B. 4s C. 0.5s D. 0.25s
Solve by using the square root property.x2 + 8x + 16 = 10
A. 4 + 
, 4 - 
B. 6
C. 
, 
D. -4 + 
, -4 - 
Use a graphing calculator to sketch the graph of the quadratic equation, and then determine the x-intervals over which the graph is increasing and decreasing.y = 5x2 - x + 3
A. Increasing: (x > 0.1), Decreasing: (x < 0.1) B. Increasing: (x > 3), Decreasing: (x < 3) C. Increasing: (x < 0.1), Decreasing: (x > 0.1) D. Increasing: (x > -0.1), Decreasing: (x < -0.1)
Use the product rule for exponents to simplify the expression, if possible. Write the answer in exponential form.88 + 89
A. 872 B. The product rule does not apply. C. 817 D. 6417