Write the equation of a horizontal eclipse with a center of (-4,6) with a=5 and b=3

Perform the required operations on the following functions given: f(x)= 3-x; g(x)= -2x find g[f(x)]

The graph shows the distance kerri drives on a trip. what is kerri's speed?

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?