" 1) find "f(1/2)" when "f(x)=x^(2)+7x+4

Find f'(2) and f'(5) when f(x)=x^(2)+7x+4

Find f'(x) when f(x)=2^(cos^(2)x)

Find f\ '\ (2) and f\ '\ (5) when f(x)=x^2+7x+4 .

Find f^(')(2)" and "f^(')(5) , where f(x)=x^(2)-7x+6 .

(i) If f(x) = 3x^(4)- 5x^(2) + 7, " find " f(x-1) (ii) If f(x) = x^(2) - 3x + 4 , then find the values of x satisfying f(x) = f(2x+1)

Find f' (x) when f(x) = 2^(cos^2x)

Find f’(2) and f’(5), where f(x) =x^2+7x+4 .

Find f(A) , given that f(x) = x^(2) - 7 x - 2 and A = [(2,3),(4,5)]

If f(x)={{:(2x-1,"when "xle0),(x^(2),"when "xgt0):},"then find "f((1)/(2)) and f((-1)/(2))

Find the range of the following functions. (a) f(x)=5-7x " (b) "f(x)=5-x^(2) (c ) f(x)=(x^(2))/(x^(2)+1)