Use the strategy of grouping to 10 to find the sum of the numbers.4, 7, 8, 6, 5, 5, 3
A. 30
B. 20
C. 28
D. 38
Answer: D
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Find the derivative of y with respect to x.y = tan-1 (ln 3x)
A. 
B. 
C. 
D. 
For each graph of a quadratic function 
a) Tell whether a is positive or negative,b) Determine the vertex,c) Determine the axis of symmetry, andd) Determine the range.
A. Positive; (2, 2); x= 2; [2, ?) B. Negative; (-2, -2); x= -2; (-?, -2] C. Negative; (-2, -2); x= -2; [-2, ?) D. Positive; (-2, -2); x= -2; [-2, ?)
Solve the problem.A building 270 feet tall casts a 90 foot long shadow. If a person looks down from the top of the building, what is the measure of the angle between the end of the shadow and the vertical side of the building (to the nearest degree)? (Assume the person's eyes are level with the top of the building.)
A. 72° B. 71° C. 18° D. 19°
Solve.A sales representative for a medical supply company was paid $90,600 in commissions last year. If her commission rate was
, what was the sales total for the medical supplies she sold last year?
A. $45,300 B. $181,200 C. $4,530,000 D. $1812