Answer:
b. 2
Step-by-step explanation:
The slope is rise/run = (y2-y1)/(x2-x1) = (3-7)/(2-4) = -4/-2 = 2.
Answer:
It is increasing from -1 to 1.
It is decreasing from negative infinity to -1, then decreases again from 1 to positive infinity.
Answer:
Step-by-step explanation:
Multiply bu the conjuguate of the demonimator.

-17 17
----- -(-17) ----
8 ---- -8
8
Answer:
$1792
Step-by-step explanation:
The problem statement tells you that the 8% of her salary that Carol puts in her 401(k) plan is not subject to income tax. Therefore, she is taxed on .08·64000 = 5120 less income than is Sheryl, so saves
0.35·$5120 = $1792
in income taxes over what Sheryl pays.