20 questions
The explicit formula for a sequence is an = 5 − 3n. What is the value of a22 ?
a22 = -61
a22 = 61
a22 = -1
a22 = -51
This is an arithmetic sequence. 8, 7.3, 6.6, 5.9, . . .
What function describes the sequence?
f (x) = −0.7x + 8
f (x) = −0.7x + 8.7
f (x) = 0.7x + 8
f (x) = 0.7x + 8.7
Identify the common difference or ratio.
3, 7, 11, 15, ...
Ratio, -4
Difference, -4
Difference, 4
Ratio, 4