f(x)=x^2,and if h is not zero,then f(x+h)-f(x)/h=?美国的数学题,

f(x)=x^2,and if h is not zero,then f(x+h)-f(x)/h=?美国的数学题, If f(x)=(3x-1)/2 and f-1 is the inverse of f,what is the value of f-1(3)? 英文微积分数学题!if f(x) = x^2-2x.which is the f'(1) 用极限做,就是h趋近于0的那种 if f(x) is a linear function such that f(2)=5 and f(4)=13,f(x)=? AP微积分题If f is differentiable and difference quotients overestimate the slope of f at x=a for all h>0,which must be true?A f'(a)>0 B f'(a)0 D f''(a) It is given that f(x-1)= -2(x-1)^3 + (x-1)^2 +x-1 and g(x)=2x^3 - x^2 - x +k.If..It is given that f(x-1)= -2(x-1)^3 + (x-1)^2 +x-1 and g(x)=2x^3 - x^2 - x +k.If the graph of y= g(x) is obtained by translating the graph of y=f(x) upwards by 3 units,an If g(f(x))=2x+1 and f(x)=1/4x-1,then g(x)= 求问Sat2数学题 If f is a linear function and f(-2)=11,f(5)=-2,and f(x)=4.3,what is the value of x 若f''(x)存在,证明:[f(x+2h)-2f(x+h)+f(x)]/(h^2)=f''(x) f'(x)=2.则lim[f(x-h)-f(x+2h)]/2h 2道英文的数学题,1)If f (x) = ax^2 + bx + c; f (2012) = 0; f (2010) = 0 and f (0) = 8,088,240then for what value of x is f a maximum?What is the maximum value of f 2)What is the remainder when2011x^2010+ 2009x^1005+ 2005x^201+ 2003x^67+ 2001 is F(x+y) = F(x) + F(y) + x^2 *y + x* y^2for all real numbers x and y and ,lim x->0 F(x)/x = 1 求F'(x) = F‘（X） = 1 .作业最后一题了..暗示:F'(x) = lim h->0 F(x+h) - f(x) / h等式就变成 F(x+y) - F(x) = F(y) + x^2y + xy^2 数学 导数的定义的疑问Def: We say f is differentiable at c if lim f(c+h) - f(c)/ exists. h->0 h 但是一些函数像y = x的绝对值 在x = 0 的 如何证明lim[f(x+h)+f(x-h)-2f(x)]=f(x) 其中h趋向0 Let f(x)=25x^2+kx+2,where k is real.(a) If f(x)=0 has equal roots,find the value(s) of k,leaving your answer(s) in simplest surd form.(3marks)(b) If a is the smaller positive root of the quadratic equation f(x)=0,and one root is half of the other,exp 设f(x)具有二阶导数f''(x),证明f''(x)=lim(f(x+h)-2f(x)+f(x-h))/h^2 若f(x)有二阶导数,证明f''(x)=lim(h→0)f(x+h)-2f(x)+f(x-h)/h^2. let h be a differentiable function,and let f be the function defined by f(x)=h(x2-3).Which of the following is equal to f'(2)?a.h'(1) b.4h'(2) c.4h'(2) d.h'(4) e.4h'(4)