Translate the phrase; then simplify.Find the sum of 
and 
.
A. -27
B. -33
C. 27
D. 33
Answer: C
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Graph the polar equation.r = 3(1 + 2 sin ?)
A. 
B. 
C. 
D. 
Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum 
, using the indicated point in the kth subinterval for ck.f(x) = -2x2, [0, 4], midpoint
A. 
B. 
C. 
D. 
Find the inverse of the one-to-one function.f(x) = -11x
A. f-1(x) = - 
x
B. f-1(x) = 
C. f-1(x) = 11x
D. f-1(x) = 
x
Solve the problem.The final grade for an algebra course is determined by grades on the midterm and final exam. The grades for four students and two possible grading systems are modeled by the following matrices. src="https://sciemce.com/media/4/ppg__sdsd0523191652__f1q73g6.jpg" style="vertical-align: -15.0px;" />Find the final course score for Student 3 for both grading System 1 and System 2.
A. System 1: 76.5; System 2: 92.5
B. System 1: 48.6; System 2: 53
C. System 1: 85.4; System 2: 84.5
D. System 1: 76.6; System 2: 76
