f'(x) = 8x^7 - 12x^5 - (1/2)x^(5/2)
g'(x) = (x · 1/2(x+1)^(-1/2)) + (√x)
f'(x) = (-7e^(4-7x))
h'(x) = -3(4^2)(4^-3x)ln(4)
f'(x) = 8x^7 - 12x^5 - (1/2)x^(5/2)
g'(x) = (x · 1/2(x+1)^(-1/2)) + (√x)
f'(x) = (-7e^(4-7x))
h'(x) = -3(4^2)(4^-3x)ln(4)