Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Answer: C
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Answer the question(s) based on the following situation: A dishonest coin (landing heads 
of the time) is tossed 1350 times. The random variable X denotes the total number of heads that come up in the 1350 tosses.What are the chances that X is 540 or less?
A. approximately 0% B. approximately 60% C. approximately 40% D. approximately 50% E. none of these
Solve the problem.In 1995 the United States recovered 23% of its municipal wastes through recycling, up from 17% in 1990. Let P represent the percentage recycled and t the number of years since 1990. Find a linear function P(t) that fits this data. Use this function to predict the percentage recycled in 2004.
A. 30.2% B. 35.5% C. 33.8% D. 31.9%
Use a calculator to evaluate. Express the answer as a decimal and as a fraction.
- 8 ? 
A. -6.8
; 
B. -6.8
; - 
C. -6.8; - 
D. 6.8
; 
Add or subtract as indicated.(17s + 15t) + (2t - 11s)
A. 23st B. 6s + 17t C. 28s + 17t D. 19s + 4