Solve the problem.Let f(x) = 5(4z - 1)-1 and g(x) = 2(4z - 1)-2. Find all x such that f(x) + g(x) = -2.
A. - 
, 
B. -2, - 
C. - 
, - 
D. - 
, 0
Answer: A
Mathematics
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Write an equation for the linear function and use it to answer the given question. The price of a particular model car is $11,730 today and rises with time at a constant rate of $1125 per year. How much will a new car cost in 3.2 years?
A. p = 11,730 + 1125t; $15,330.00 B. p = 11,730t - 1125; $36,411.00 C. p = 1125 + 11,730t; $38,661.00 D. p = 11,730 - 1125t; $8130.00
Mathematics
Find the exact value of the sum.sin 
+ sin 
A. 
B. 
C. 1
D. 0
Mathematics
Use the following graph which shows the monthly sales of a heating supplier. 
What was the percent of decrease in sales from January to February?
A. 3.3% B. 50% C. 49% D. 32.9%
Mathematics
Find the first and second derivatives of the function.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics