Solve the inequality. Graph the solution on a number line and represent the solution in interval notation when possible.28x + 12 > 4(6x + 6)
A. x > 3
(3, ?)
B. x ? 3
(-?, 3]
C. x < 3
(-?, 3)
D. x ? 3
[3, ?)
Answer: A
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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?
Find the hours, rate, or earnings as specified.
Find the number of regular hours, overtime hours (over 40), and overtime rate (time and a half).
A. 37.75, 8.75, $35.76 B. 40, 6.5, $35.76 C. 40, 6.5, $26.82 D. 46.5, 0, $26.82
Evaluate. 
A. - 
+ 
+ C
B. 
+ 
+ C
C. - 
- 
+ C
D. 
- 
+ C