Given the function c(x)= 2 square root of x-1, what is the average rate of change over the interval 3 is less than or equal to x is less than or equal to 15?

A) 3

B) 4

C) 1/3

D) 12

Naomi’s parents want to have 50,000, saved for her college education, if they invest 20000 today and earn 7% interest compound annually, about how long will it take them to save 50 thousand

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)

Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18