Approximate the square root. Round to the nearest tenth, if needed.
A. 9
B. 9.1
C. 9.2
D. 10.1
Answer: B
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Solve.The total resistance R of two resistances a and b connected in parallel is R = 
. What is the total resistance if a = 400 ohms and b = 100 ohms?
A. 160 ohms B. 600 ohms C. 80 ohms D. 500 ohms
Write an inequality to describe the situation.To have a chance of joining the basketball team, a player must have a height h of at least 75 inches.
A. h < 75 B. h ? 75 C. h ? 75 D. h > 75
Provide the proper response.The weight of a body above the surface of the earth is inversely proportional to the square of its distance from the center of the earth. What is the effect on the weight when the distance is multiplied by 3?
A. The weight is divided by 3. B. The weight is multiplied by 3. C. The weight is divided by 9. D. The weight is multiplied by 9.
Given f(x) and g(x), perform the indicated operation.f(x) = -2x - 1; g(x) = -5x2 - x + 7Find (f ? g)(x).
A. -3x2 - 13x - 7 B. 10x3 + 3x2 - 13x - 7 C. 10x3 - 13x - 7 D. 10x3 + 7x2 - 13x - 7