An equation with a restriction on x is given. This is the equation of the terminal side of an angle ? in standard position. Sketch the smallest positive such angle ?, and use your sketch to find the values of the indicated trigonometric functions. Rationalize denominators when applicable.9x - y = 0, x ? 0
Find tan ? and cot ?.
A. tan ? = 82; cot ? = 
B. tan ? = 9; cot ? = 
C. tan ? = 
; cot ? = 
D. tan ? = 
; cot ? = 9
Answer: B
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Perform the indicated operations, expressing the answer in simplest form with rationalized denominators.
(
- 
)
A. 5
- 10
B. 45
C. 25 - 5
D. 25
Solve the problem.Your company uses the quadratic model y = -4.5x2 + 150x to represent the average number of new customers who will be signed on (x) weeks after the release of your new service. How many new customers can you expect to gain in week 8?
A. 912 customers B. 456 customers C. 312 customers D. 1164 customers
Choose the most reasonable metric length unit. Choose from km, m, cm, and mm.The boy is 1.9 
tall.
A. km B. m C. cm D. mm
Provide an appropriate response.Determine which of the following matrix equations represents the solution to the system:
.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
