Evaluate as requested.Given that f(x) = 4
+ 5x, find f(2y).
A. 8
+ 10y
B. 7
+ 12y
C. 2
+ 2y
D. 4
+ 5y
Answer: A
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Complete the table and use it to calculate the indicated relative frequency. Round your answer to three decimal places if necessary.The following table displays the age, in years, and sex for the residents of a retirement home.Age (years)?60-69 70-79 Over 79Total Male3? 105? Female17?1?4? Total????What is the relative frequency for males?
A. 0.4 B. 0.7 C. 0.9 D. 0.45
Use similar triangles and the fact that corresponding sides are proportional to find the length of the segment marked with an x.
A. 1 in. B. 1.2 in. C. 7.2 in. D. 1.24 in.
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = |-x|
A. 
B. 
C. 
D. 
Find the probability to the nearest hundredth that the value of the random variable is within one standard deviation of the mean.f(x) = 
x; [0, 2]
A. 0.63 B. 0.50 C. 0.75 D. 0.69