Write the inverse function for the function, ƒ(x) = 1/2x + 4. then, find the value of ƒ -1(4). type your answers in the box. ƒ -1(x) = a0 x a2 ƒ -1(4) = a3

Δabc is dilated by a scale factor of 3 with the origin as the center of dilation to form δa′b′c′. the slope of is -1.2. the length of is p units, the length of is q units, and the length of is r units. the slope of is . the length of is units.

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x