Provide an appropriate response.Roberto is an employee of a store and receives 20% discount off all items in the store. During a sale, the price of a jacket is reduced by $15. Roberto will receive both his 20% discount and the $15 off. Which is better for Roberto, to take the 20% discount first and then subtract $15 or to subtract $15 first and then take his 20% discount? Explain you answer.
What will be an ideal response?
Answers will vary. It is better for Roberto to take his 20% discount first.
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Assuming that the equations define x and y implicitly as differentiable functions 
find the slope of the curve 
at the given value of t.2x - t2 - t = 0, 2ty + 6t2 = 6, t = 1
A. - 6 B. 9 C. - 9 D. - 4
The hyperbola shown in the calculator-generated graph was graphed in function mode with a square viewing window. What are the two functions y1 and y2 that were used to obtain the graph whose equation is given?
10
-10
A. y1 = 6
, y2 = -6
B. y1 = 
, y2 = - 
C. y1 = 
, y2 = - 
D. y1 = 
, y2 = - 
Rationalize the denominator. Write the quotient in lowest terms.
A. 
B. 
C. 
D. 
Convert the angle to a decimal in degrees. Round the answer to two decimal places.31°39'18''
A. 31.66° B. 31.62° C. 31.67° D. 31.72°