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if f(x)= 5x^2, what is 3f(x)

a. 8x^5

b. 15x^2

c. 15x^6

d. 125x^8

G(x) 16g(x) = 2 sin(2x - π) + 4. using complete sentences, explain how to find the minimum value for the function.

If f(x)= 3x+6 which of the following is the inverse of f(x)

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?