Suppose that z = f(x, y) and that both x and y are functions of a single variable t such that ∇f(x, y) = x 2 , y 2 i and dx dt = dy dt = t 2 − 4. For what values of t in the interval [0,[infinity]) is z increasing

he has now walked a total of what?

if i know what this is maybe i can

step-by-step explanation:

the multiples of 15 are 15, 30,45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195,   210, 225, 240, 255, 270, 285, 300, 315, 330, 345, 360, 375,   390, 405, 420, 435, 450, 465, 480, 495, 510, 525, 540, 555, 570, 585, 600, 615, 630, 645, 660, 675, 690, 705, 720, and 735.

the factors of 15 are 1, 3, 5, and 15.

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d.) yes, because the volume of the cone is greater than the volume of the sphere

step-by-step explanation:

v=1788.75

step-by-step explanation:

i belive that is the answer