Height must be at least 48 inches

cut 138 centimeters off

step-by-step explanation:

250-112 = 138

= 5

step-by-step explanation:

to find the 15th term substitute n = 15 into the nth term formula

= (- 3 × 15 ) + 50 = - 45 + 50 = 5

i believe it's a.

i'm not sure on this one, most likely correct.

the domain of a function is the set of input values, x , for which a function is defined. the domain is shown in the left oval in the picture below. the function provides an output value, f(x) , for each member of the domain.