Solve.3x2 + 2 = 50
A. 25
B. 4
C. ±5
D. ±4
Answer: D
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Solve the problem.The water from a valve at the bottom of a water tank follows a path described by 
where units are in meters. If the velocity vx is constant at 
find the magnitude and direction of the velocity at the point (3.0, 2.1).
A. 5.8 m/s, 329° B. 5.0 m/s, 31° C. 5.0 m/s, 353° D. 5.8 m/s, 31°
Write the digits for the given period (group) in the whole number.14,000,788millionsthousandsones
A. millions 000 thousands 14 ones 88 B. millions 14 thousands 000 ones 8 C. millions 14 thousands 000 ones 788 D. millions 1 thousands 0 ones 8
Use the distributive property to write the expression without parentheses. Then simplify, if necessary.-7(x + 5)
A. x - 35 B. -7x - 35 C. -7x + 35 D. -7x + 5
Evaluate the integral.
A. 6
B. 12
C. -6
D. 6(e3 - e)