Solve the problem.Given is a graph of a portion of the postage function, which depicts the cost (in cents) of mailing a letter, p, versus the weight (in ounces) of the letter, x. Find each limit, if it exists:
p(x), 
p(x), 
p(x)
A. 77; 99; 77
B. 77; 77; 77
C. 77; 99; does not exist
D. 99; 77; does not exist
Answer: C
Mathematics
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Solve by the substitution method.7x + 5y = 383x + 2y = 16
A. (4, 3) B. No solution C. (4, 2) D. (3, 3)
Mathematics
Write the equation of the line with the given slope and y-intercept.m = 
, b = 1
A. y = - 
x + 1
B. y = 
x + 1
C. y = - 
x - 1
D. y = 
x - 1
Mathematics
Multiply.(x - 5)(9x2 + x + 8)
A. 9x3 + 44x2 + 3x - 40 B. 9x3 - 44x2 + 3x - 40 C. 9x3 - 44x2 + 13x - 40 D. 9x3 - 46x2 + 3x - 40
Mathematics
Solve the problem.From a group of 3 men and 4 women, a delegation of 2 is selected. What is the expected number of men in the delegation?
A. .48 B. 1 C. .57 D. .86
Mathematics