Your Porsche's gas mileage (in miles per gallon) is given as a function M(x) of speed x in miles per hour. It is found that
?
.
?
Find 
, 
and 
.
?
A. 
B. 
C. 
D. 
E. 
Answer: B
Mathematics
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4x(a + 3b) + 6x(2a - 4) =
a. 24x2 + 12ab + 16x b. 24x2 - 16ax - 12ab c. -24x + 16ax + 12bx d. 24x2 - 16ax2 + 12ab e. 24x - 16ax - 24ab
Mathematics
Combine like terms.6x + 5x
A. 11x B. 22x C. 30x D. 11x2
Mathematics
If y varies inversely as x, write a general formula to describe the variation.y = 35 when x = 
A. y = 
B. y = 245x
C. y = 
D. y = 
Mathematics
Solve the formula for the specified variable.A = 
h(B + b)
for b
A. b = 
B. b = 
C. b = 2A - Bh
D. b = 
Mathematics