Answer:
as below : also Mrs. Billerman sounds like a tough teacher :P
Step-by-step explanation:
so they want to know.. what the answer is .. if x = 4 after you take the derivative ..
so remember b/c there is a minus sign in there you can break this up into two separate derivatives. which helps a lot
like this
d/dx 5[tex]x^{2}[/tex] dx - d/dx 32[tex]\sqrt{x}[/tex] dx ... good so far? (point A )
the first one you can probably do
10x - 32* d/dx (x) ^ (1/2) dx see? move the 32 out front.. it's not needed inside the derivative and the put a 1/2 in the exponent place on the x good to here? ( point B)
10x - 32 * 1/2*x ^( -1/2) good so far? ( point C)
put in the 4 into x now :P yay we are almost done.. cookies? when we're done? :P
10(4) -32*(1/2)(4)^(-1/2) good to here? (point D)
40 -16 * 1/√4 make sense? (point E)
40-16*1/2 they make it easy form here. huh.. got it?
40-8
32 also show your work :D
