For the given functions f and g, find the requested function.f(x) = -3x2 - 5x + 3; g(x) = -3x - 7Find (f + g)(5).
A. -207
B. -119
C. 31
D. -179
Answer: B
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Evaluate the double integral
?
?
for the given function f(x, y) and the region R.
?
f(x, y) = 2y + x; R is the rectangle defined by 
and 
.
?
A. 
B. 
C. 
D. 26
Solve the problem.A 5-card hand is dealt from a deck of 52 cards. What is the probability thata) all are from the same suit?b) all are hearts?c) exactly 2 are spades?
A. a) 0.000495 b) 0.00198 c) 0.003516 B. a) 0.00198 b) 0.000495 c) 0.27428 C. a) 0.00198 b) 0.000495 c) 0.003516 D. a) 0.000495 b) 0.00198 c) 0.00003
Provide an appropriate response.To graph a linear equation of the form ax + by = c, which two points are usually used? Why is a third point recommended?
A. The origin and one of the intercepts; because a miscalculation of the intercept will be revealed if the third point is not on the line through the first and second points. B. The origin and one of the intercepts; to make sure that the intercept is on the line C. The x- and y-intercepts; because it takes three points to define a line D. The x- and y-intercepts; as a check
Solve the equation for the specified variable.S = 4?r2; solve for r2
A. r2 = S - 4?
B. r2 = 
- 4
C. r2 = 
D. r2 = 