Add and simplify. Write the answer as a mixed numeral if possible.4
+ 3
A. 8
B. 7
C. 2
D. 8
Answer: A
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Graph the equation. Include the coordinates of any local extreme points and inflection points.y = x + cos 2x, 0 ? x ? ?
A. no local extrema
inflection point: 
B. local minimum: (1.444, -0.246)
local maximum: (0.126, 1.031)
inflection points: (0.785, 0.393), (2.356, 1.178)
C. local minimum: 
local maximum: 
inflection points: 
, 
D. local minimum: 
local maximum: 
inflection point: 
Solve.When Maria finished medical school she owed $21,000 in student loans. She repaid 
of the total amount within two years of graduating. How much did she repay within two years of graduating?
A. $1680 B. $16,800 C. $15,120 D. $18,480
Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 7
B. 7
C. 
D. 
Solve the problem.A football team gained 30 yards on one play, lost 19 yards on another, and gained 21 yards on the last play of the first half. They had already gained 364 yards during the half. What was the total yardage gain for the first half?
A. 434 yards B. 396 yards C. 332 yards D. 415 yards