Write an expression for the general or nth term, an, for the geometric sequence.4, - 1, 
, - 
, . . .
A. an = 
n-1
B. an = - 4
n-1
C. an = 4
n-1
D. an = 4(-4)n-1
Answer: C
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Find the largest open interval where the function is changing as requested.Decreasing f(x) = - 
A. (-?, 3) B. (-?, -3) C. (-3, ?) D. (3, ?)
Find the absolute value.|-8|
A. 0 B. -8 C. 16 D. 8
Solve the problem. Assume that all pizzas are circular in shape and that the measurement given in the table is the diameter of the pizza in inches. Use 3.14 as the approximate value of ?. Use the table below to find the cost per square inch for each size of cheese pizza. Round your answers to the nearest thousandth. Which size is the best buy?
Cheese$4.30$8.10$10.90Veggie$5.30$9.20$12.60Pesto$5.80$10.30$13.90
A.
| Small | ? $0.028 |
Large ? $0.014
Best buy: large
B.
| Small | ? $0.196 |
Large ? $0.217
Best buy: small
C.
| Small | ? $8.945 |
Large ? $18.437
Best buy: small
D.
| Small | ? $0.112 |
Large ? $0.054
Best buy: large
Write an equation in slope-intercept form of the line satisfying the given conditions.Through (7, -2), perpendicular to 2x + 3y = 26
A. y = 
x - 
B. y = 
x - 
C. y = - 
x + 13
D. y = - 
x + 