Question

For the indicated function, find the values f(-9), f(0), and f(4). x, if x < 0 f(x)= 8x + 6, if x 20 f(- 9) = f(0) = f(4) =

Answer 1

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fix) = fx if xxo 8x+6 if x>0 f(-9) = -9 8x0 +6 =6 f(4) = 814)+6 = 32+ 6 = 38 (11 flu) = 2x² - 4x-6 f' (u) = 4x4 f'(x)=0 4x-4=0 4x=4 = x=1 f (w) = 4x) = 4 (minima at x = 1) The function has a minimumvalul of f) = 2x1 = 4x1-6 =2-4-6 -8 minimum valueatf(1) = -8

s x+2 of x22 o fare la 23 If x72 of the function is The domain =R The Range of the function is = (-00, 0) 220 x=-2 f(-2)=0 x=2 fRod=2 x=-6 f(u)=-4 f(u)=3 fous = 4 f(4)= 43 x=3 =64 f(3) =27 option © is correct Because there point satisfied with graph © Please like it