Q:
for the function f(X)=3√x(x-7)²
which of the following statements are true ?
f (0) = 0 is a relative minimum
f (x) is differentiable everywhere
f (7) = 0 is a relative minimum
f (x) has no relative maximum
答:
f(7) = 0 is a relative minimum
Q1:LET A= ∫ (IN X)2 dx
答: 0 < A < 1
Q2:
Let a=∫1 0 x5(1-x3)1/3 dx,then
答:0<A<1
Q3:
Suppose the demand and supply functions for a certain goods are givenby:QD=10-PQS=P-4Find the total economic surplus generated at the market equilibrium 6.0 10.5 4.5 9.0
For implicit function 2xy+ex+y -2=0 dy/dx (0,ln2)=?
-1 - ln2