Find the function r that satisfies the following conditions. r'() = (1,2t,5t"); r(1) = (3,5,4) r(t) = {OOD

Find the constant of proportionality. y is directly proportional to x. If x=30, then y=15.

Find the constant of proportionality. z is directly proportional to the sum of x and y. If x=2 and y=5, then z=28.

Determine if the statemment is true or false. If the statement is false, then correct it and make it true. If the function f increases on the interval -,x1 and decreases on the interval x1,, then fx1 is a local minimum value.