Decide whether or not the ordered pair is a solution of the system.(1, 5)2x = 3 - y3x = 7 - 2y
A. Yes
B. No
Answer: B
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Use dot mode to graph the function f in the standard viewing rectangle. Evaluate f for the given x-values.f(x) = [[x - 1]] at x = -0.7 and x = 1.7
A. 
f(-0.7) = -1, f(1.7) = 1
B. 
f(-0.7) = 1, f(1.7) = 2
C. 
f(-0.7) = -2, f(1.7) = 0
D. 
f(-0.7) = -1, f(1.7) = 0
Use the graph of f to sketch a graph of the inverse of f using a dashed curve.
A. 
B. 
C. 
D. 
Complete the table. Then determine the x-intercept and y-intercept for the graph of the equation.y = 3x + 21 
A. 
x-intercept: 21; y-intercept: -7
B. 
x-intercept: -7; y-intercept: -21
C. 
x-intercept: -7; y-intercept: 21
D. 
x-intercept: 7; y-intercept: 21
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log2
A. 4 - log2x
B. - 2log2x
C. 2 - log2x
D. 