Solve the problem.This year, a community recovered 20% of its municipal wastes through recycling, up from 17% when the recycling program first began five years ago. Let P represent the percentage recycled and t the number of years since the program began. Find a linear function P(t) that fits this data. Use this function to predict the percentage recycled 11 years from now.
A. 28.3%
B. 23%
C. 24.7%
D. 26.6%
Answer: D
Mathematics
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Write a formula for the nth term of the arithmetic sequence. Use the formula to find the 20th term of the sequence.29, 24 , 19, 14, . . .
A. an = -5n + 29; a20 = -71 B. an = 5n - 29; a20 = 71 C. an = -5n + 34; a20 = -66 D. an = 5n - 34; a20 = 66
Mathematics
Solve the problem.Decide which of the rational functions might have the given graph. 
A. f(x) = 2x + 
B. f(x) = x + 
C. f(x) = x + 2
D. f(x) = x + 
Mathematics
Evaluate the polynomial for the given values of the variables.Evaluate 2x2 - y2 + 2xy for x = -1 and y = -6.
A. -22 B. -50 C. 50 D. -46
Mathematics
Supply missing reasons for the following proof.Given: 
with D-B-AProve: 
S1. with D-B-A R1.S2. 
R2.S3. 
and 
are supp. R3.S4. 
R4.S5. 
R5.S6. 
R6.
What will be an ideal response?
Mathematics