the function  f(x)  is graphed on the coordinate plane.what is  f(−1)  ?

Acamper leaves camp on a kayak and travels 50 miles east on a river, then he ties his kayak to the bank and travels 20 miles north on a bicycle. this trip can be plotted on the coordinate plane, where the camp is the point (0, 0). the distant of the camper to the camp can be found using the distance formula. which other formula can he use? a) 502 - 202 b) 502 + 202 c) 502 - 202 d) 502 + 202

What is the range? can’t seem to find it out

If the discriminant if a quadratic equation is 4 which statement describes the roots?