f(x) = -4x^2+12x-9

What is the value of the discriminant of f?

.

How many x-intercepts does the graph of f have?

.

Asap 25 pts + brainlest to right/best answer

Cherie measures and records the lengths and sizes of the same style of a sandal found at a shoe store. which equation can be used to determine the approximate shoe size, s, for a foot length of x inches? s = x – 2 s = 2x – 10 s = x + 6 s = 2x + 4

Jonah runs 3/5 miles on sunday and 7/10 mile on monday. he uses the model to find that he can ran a total of 1 mile . what mistake does jonah make