Solve the problem. Round to the nearest cent.The store where Anna-Marie is a salesperson offers a series discount of 5/30 on any clothes bought at the store. What is the cost of a $65 sweater after discount?
A. $42.25
B. $45.50
C. $43.23
D. $21.78
Answer: C
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Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = tan
A. y = tan u; u = ? - 
; 
= sec2
B. y = tan u; u = ? - 
; 
= 
sec
tan
C. y = tan u; u = ? - 
; 
= 
sec2
D. y = tan u; u = ? - 
; 
= sec2
A certain type of lizard grows to a maximum length of 
centimeters. If L, in inches, is the length of the lizard after t years, then the difference 
is an exponential function of time.
? A: A newborn lizard is 4 centimeters long. What is the initial value of D? ? B: A 2-year-old lizard is 7 centimeters long. Find the yearly decay factor for D, and use your answer to find an exponential formula for D. Use t for the age, in years, of the lizard. ? C: Find a formula for L. ? ? What will be an ideal response?
Use the product rule to simplify the expression. Write the result using exponents.78 ? 75
A. 740 B. 713 C. 4913 D. 4940
Let x represent the number. Use the given conditions to write an equation. Solve the equation and find the number.Three-fourths of a number is 
. Find the number in lowest terms.
A. 
x = 
; 
B. 
x = 
; 
C. 
+ x = 
; 
D. 
x = 
; 