Solve the application problem.Mari works in sales. Her annual income is $37,000 plus 12% commission of her sales. What are the independent and dependent variables in this relation? Is the relation a function?
A. independent: sales, dependent: annual income; yes
B. independent: annual income, dependent: sales; yes
C. independent: sales, dependent: annual income; no
D. independent: annual income, dependent: sales; no
Answer: A
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Use the order of operations to simplify the expression.5 ? 5 + 72
A. 59 B. 74 C. 32 D. 1225
Solve the problem.For what numbers x, -2? ? x ? 2?, does the graph of y = tan x have vertical asymptotes.?
A. -2?, -?, 0, ?, 2?
B. - 
, - 
, 
, 
C. -2, -1, 0, 1, 2
D. none
Find the slope and the y-intercept from the equation of the line. Sketch a graph of the equation.x + y = 6
A. m = 1; y-intercept = -6
B. m = -1; y-intercept = -6
C. m = 1; y-intercept = 6
D. m = -1; y-intercept = 6
Solve the problem.The area of a square lawn is numerically 140 feet more than the perimeter. Find the length of the side.
A. 56 feet B. 98 feet C. 14 feet D. 392 feet