Use an inequality symbol to write the given statement symbolically.2x + 13 is not less than 22.
A. 2x + 13 < 22
B. 2x + 13 ? 22
C. 2x + 13 ? 22
D. 2x + 13 > 22
Answer: C
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Write the first four terms of the sequence.an = -2(n + 1)!
A. -2, -8, -36, -192 B. -4, -12, -48, -240 C. -2, 4, -12, 48 D. -4, 24, -144, 960
Decide whether or not the functions are inverses of each other.f(x) = 7x - 7, g(x) = 
x + 1
A. No B. Yes
Solve.Mike works on commission selling electronic equipment. The linear function 
describes his annual income I when his total sales for the year are s. What is Mike's annual salary if he sells $500,000 in electronic equipment for the year?
A. $31,700 B. $54,200 C. $26,460 D. $279,200
Find the equation of the parabola determined by the given information.Vertex at the origin, focus at (0, -4)
A. y2 = -4x
B. y = - 
x2
C. y2 = -16x
D. y = - 
x2