Find the sum of the indicated terms of the geometric sequence.
?
7, 28, 112 ... (to 4 terms)
Fill in the blank(s) with the appropriate word(s).
595
Mathematics
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Perform row operations on the augmented matrix as far as necessary to determine whether the system is independent, dependent, or inconsistent. x + y + z = 7 x - y + 2z = 72x + 3z = 14
A. Independent B. Dependent C. Inconsistent
Mathematics
Determine whether the given function is one-to-one. If it is one-to-one, find a formula for the inverse.f(x) = 
A. f-1(x) = x3 - 27
B. f-1(x) = x3 + 27
C. Not one-to-one
D. f-1(x) = 
Mathematics
Solve the system of equations by the substitution method.
A. (0, -7) B. infinite number of solutions C. (-7, 0) D. no solution
Mathematics
Find all numbers for which the rational expression is not defined.
A. a = 0 B. None C. a = -7 D. a = 7
Mathematics