Given the function f(x) = x2 and k = –1, which of the following represents a function opening downward

a. f(x) + k
b. kf(x)
c. f(x + k)
d. f(kx)

Si la base de un triángulo isósceles mide 70 m y el ángulo opuesto a ésta mide 58°; entonces ¿cuánto mide la altura de dicho triángulo? a) 21.87 m. b) 40.01 m. c) 43.74 m. d) 63.14 m.

What is 1.5% of 120 or what number is 1.5% of 120

Which statement accurately describes how to perform a 90° clockwise rotation of point a (1,4) around the origin?