Write sigma notation.8 + 11 + 14 + 17 + 20
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Determine whether the expression is a polynomial. If it is a polynomial, give its degree.
A. polynomial, degree 5 B. not a polynomial C. polynomial, degree 1 D. polynomial, degree 3
Mathematics
Decide whether or not the functions are inverses of each other.f(x) = x3 - 4, g(x) =
A. No B. Yes
Mathematics
Solve the problem.A square yard has a 6-foot wide sidewalk around a square lawn. The sides of the yard, including the sidewalk, have length y. Evaluate for y = 60, the polynomial that gives the area of the sidewalk.
A. 864 B. 1296 C. 1584 D. 684
Mathematics
Use the substitution method to solve the system.
x + 
y = -8
x - 4y = 14
A. (2, -8) B. (-4, -4) C. (2, -6) D. (-4, 14)
Mathematics