Solve. Assume the exercise describes a linear relationship.In 2010 a certain county recovered 25% of its municipal wastes through recycling, up from 17% in 2005. Find a linear equation that fits this data. Use this equation to predict the percentage recycled in 2016.
A. 34.6%
B. 32.7%
C. 31%
D. 36.3%
Answer: A
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Graph the quadratic function. Determine the vertex, find the equation of the axis of symmetry, find any x- and y-intercepts, and state the domain and range in interval notation.f(x) = x2 + 2x - 3
A. vertex: (-1, 4)
axis of symmetry: x = -1
x-intercepts: 1 and - 3; y-intercept: 3
domain: (-?, ?); range: (-?, 4]
B. vertex: (-1, -4)
axis of symmetry: x = -1
x-intercepts: 1 and - 3; y-intercept: -3
domain: (-?, ?); range: [-4, ?]
C. vertex: (1, -4)
axis of symmetry: x = 1
x-intercepts: -1 and 3; y-intercept: -3
domain: (-?, ?); range: [-4, ?]
D. vertex: (1, 4)
axis of symmetry: x = 1
x-intercepts: -1 and 3; y-intercept: 3
domain: (-?, ?); range: (-?, 4]
Multiply.-10(19)
A. 180 B. -209 C. -180 D. -190
Solve.The population of a small town in 1988 was 11,000 people. Due to decline in industrial growth the population has since been decreasing at a rate of 4% every year. What was the population of this town in 1998?
A. 5925 people B. 6586 people C. 7313 people D. 8112 people
Simplify.( 5 + 
)2
A. 31 + 10
B. 31
C. 61 + 20
D. 12