Select the correct answer. Consider these functions:
fx) = 2x3 + 3
g(x) = x-4
What is the value of gifx))?
OA. 2x3 - 1
OB. 2x4 - 4x3 + 3x - 12
O c. 2x3 - 24x2 - 32x - 61
OD. 2x3 + 3x - 4

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).