Find f”(x) for the function.f(x) = 8×4 – 6×2 + 5

Find the derivative.y = e7x2 + x

Give an appropriate response.Find the limit of f(x) as x approaches 4 from the right.f(x) = 

Solve the problem.A rectangular field is to be enclosed on four sides with a fence. Fencing costs $5 per foot for two opposite sides, and $8 per foot for the other two sides. Find the dimensions of the field of area 850 ft2 that would be the cheapest to enclose.

Find the derivative.y = e3x2 + x

Find f”(x) for the function.f(x) = 7×4 – 2×2 + 2

Find the x-value of all points where the function has relative extrema. Find the value(s) of any relative extrema.f(x) = x2 + 2x – 3

Find dy for the given values of x and Δx.y = 5×2 – 2x + 3; x = 2, Δx = – 

Find all the critical numbers of the function.f(x) = x3 + x2 – 27x + 2

What type of bond exists between water molecules?