Write the quotient in the form a + bi.
A. 
- 
i
B. - 
+ 
i
C. 
- 
i
D. - 
- 
i
Answer: A
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Solve the problem.Some values of linear functions f and g are listed in the table below. Find the solution of a system of two equations that describes the functions f and g. HINT: Use the linear regression and graphing functions on a calculator to find and graph equations of f and g.
Find an approximate solution of a system of two equations that describe the functions f and g.
A. (2.8, 31.0) B. (2.7, 39.5) C. (3.8, 36.5) D. (3.1, 28.6)
Find the angle 
between two nonvertical lines 
and 
. The angle
src="https://sciemce.com/media/3/ppg__cognero__Section_4.8_Applications_and_Models__media__1a3e9290-afd5-4bd8-825c-6187c0b11df9.PNG" style="vertical-align:middle;" /> satisfies the equation
?
?
where 
and 
are slopes of and , respectively.
(Assume that 
.)
?
?
?
Round your answer to one decimal place.
?
A. 54.1o
B. ?53.1o
C. 55.1o
D. 52.1o
E. 56.1o
Set up an integral or sum of integrals and then find the area bounded by y = x2 + 3 and y = -5x - 3.
A. 
= - 
B. 
= 
C. 
= - 
D. 
= 
E. none of these
Evaluate the integral 
.
?
A. 
B. 
C. 
D. 
E. 