If y varies directly as x, write a general formula to describe the variation.y = 0.7 when x = 2.8
A. y = 0.7x
B. y = 4x
C. y = x - 2.1
D. y = 0.25x
Answer: D
Mathematics
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Find the first four nonzero terms of the Maclaurin expansion of the given function.f(x) = 
A. 1 + 
x6 - 
x12 + 
x18 - ...
B. 1 + 
x - 
x2 + 
x3 - ...
C. 1 + 
x6 - 
x12 + 
x18 - ...
D. 1 + x - 
x2 + 
x3 - ...
Mathematics
Write the decimal as a percent.0.013
A. 1.3% B. 0.013% C. 0.13% D. 13%
Mathematics
Find f(x) and g(x) so that the function can be described as y = f(g(x)).y = 
A. f(x) = 
, g(x) = x2
B. f(x) = 
, g(x) = 
C. f(x) = 52x2 + 15, g(x) = 
D. f(x) = 
, g(x) = 52x2 + 15
Mathematics
Determine whether there is a maximum or minimum value for the given function, and find that value.f(x) = - 256 -7x2 - 84x
A. Maximum: -4 B. Maximum: 4 C. Minimum: 4 D. Minimum: 0
Mathematics