Find the general nth term of the given arithmetic sequence.-19, -17, -15, -13, -11
A. an = 21n - 2
B. an = 3n + 21
C. an = 2n - 21
D. an = 3n - 22
Answer: C
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Graph the function using the slope and y-intercept.f(x) = - x - 3
A. 
B. 
C. 
D. 
Determine whether the system corresponding to the given augmented matrix is dependent or inconsistent. If it is dependent, give the solution.
A. dependent; (3 + 5z, y = -7 - 9z, z) B. dependent; (3, -7, -5) C. dependent; (3 - 5z, -7 + 9z, z) D. inconsistent
Determine whether the equation defines y as a function of x. y = 6x2 - 5x + 7
A. function B. not a function
Solve the problem.Jennifer's annual salary increased from $24,000 to $43,000 over the last five years. Find the percent increase in her salary during this time period. Round to the nearest tenth of a percent.
A. 44.2% B. 7.9% C. 79.2% D. 0.8%