Frank's algebra grade is based on the average of four exams, which will count equally. His grades are 75, 80, 70 and 85. Find his average.
A. 72.5
B. 77.5
C. 82.5
D. 92.5
E. 87.5
Answer: B
Mathematics
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Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
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) = 
+ 6
A. 
B. 
C. 
D. 
Mathematics
Find all rational zeros of f. Then (if necessary) use the depressed equation to find all roots of the equation f(x) = 0.f(x) = x4 - 3x3 - 6x2 + 6x + 8
A. {-1, 4, -
, 
}
B. {1, 4, -
, 
}
C. {-4, 1, -
, 
}
D. {-4, -1, -
, 
}
Mathematics
A statement Sn about the positive integers is given. Write statements S1, S2, and S3, and show that each of these statements is true.Sn: 12 + 42 + 72 + . . . + (3n - 2)2 = 
What will be an ideal response?
Mathematics