The table of values gives two points that lie on a line. Use the points to find the slope and y-intercept of the line. Then use these values to write an equation of the line in slope-intercept form. 

A. y = 4x - 3
B. y = x - 3
C. y = - 4x - 3
D. y = - x - 3


Answer: D

Mathematics

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Solve the equation using both the addition and multiplication properties of equality.10x - 7 = 89 - 2x

A.
B. {8}
C. {-8}
D.

Mathematics

Divide.

A.  - i
B.  + i
C.  - i
D.  + i

Mathematics

Solve the problem.Assume that the table below gives the median weekly earnings in 2001 for men and women in various age groups. Weekly Earnings ($) by Age Group Suppose that, in 2002, the median weekly earnings for men increased by 7% in all age groups and the median weekly earnings for women increased by 4% in all age groups. What 2 × 2 matrix could be multiplied by the matrix below to find the median weekly earnings in 2002 for men and women in various age groups? 

A.
B.
C.
D.

Mathematics

Analyze the graph of the given function f as follows:(a) Determine the end behavior: find the power function that the graph of f resembles for large values of |x|.(b)  Find the x- and y-intercepts of the graph.(c)  Determine whether the graph crosses or touches the x-axis at each x-intercept.(d)  Graph f using a graphing utility.(e)  Use the graph to determine the local maxima and local minima, if any exist. Round turning points to two decimal places.(f) Use the information obtained in (a) - (e) to draw a complete graph of f by hand. Label all intercepts and turning points.(g)  Find the domain of f. Use the graph to find the range of f.(h)  Use the graph to determine where f is increasing and where f is decreasing.f(x) = -2(x - 1)(x + 3)3

What will be an ideal response?

Mathematics