Find dy/dx if f(x) = x²+9²​

1/4x+5=3/4. i can't get access to the answer to this question! and, my request on "contact us" will not go

Anewly planted tree needs to b stacked witg three wires.each wire is attached to the trunk 3ft abouve the ground and anchored to the ground 4ft fromthe base of the three

Part 1: use the graph to count the slope of the line that passes through the points (2,1) and (2,0).part 2 in two or more complete sentences,explain why it is not possible to write the equation of the given line in the traditional version of the point-slope form of a line