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Find all the second order partial derivatives of the given function.f(x, y) = x2 + y – ex+y

Match the identities for negative angles.*   *For the tangent, you should be able to figure it out using the fact that tangent is the sine divided by the cosine.

Calculate the arc length of the indicated portion of the curve r(t).r(t) = 11t3i + 2t3j + 10t3k, -1 ≤ t ≤ 2

Find all the second order partial derivatives of the given function.f(x, y) = x2 + y – ex+y

Calculate the requested distance.The distance from the point S(1, 7, -6) to the plane -9x + 6y + 2z = -10

Calculate the arc length of the indicated portion of the curve r(t).r(t) = 11t3i + 2t3j + 10t3k, -1 ≤ t ≤ 2

For the smooth curve r(t), find the parametric equations for the line that is tangent to r at the given parameter value r(t) = (7t2 – 7t)i + (t + 3)j + k ; t0 = 2

Calculate the requested distance.The distance from the point S(1, 7, -6) to the plane -9x + 6y + 2z = -10

Find the vector projv u v = 3i – j + 3k, u = 2i + 10j + 11k

Calculate the arc length of the indicated portion of the curve r(t).r(t) = 11t3i + 2t3j + 10t3k, -1 ≤ t ≤ 2