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c. Evaluate the following functions. 1. h(x) = vx2 -4 find h(5). 2. Given f(x) = 2x - 1 and g(x) = 3x - 4, find a) f + g, b) f - g, c) (f+g) (2) 3. Compute f(xth)-f(x) h , if a) f (x) = = , b) f(x) = ax+b, c)f(x) = x2 4. If f (b) = b-b2 1+b2 find a) f (), b) f(-2), c) f(-3) 5. Compute f(xth)-f(x) , h # 0,if a) f(x) = x+1, b)f(x) =x2+1 h d. Graph the following functions using a graphing paper. 1. y = 2x 2. y= -4x + 5 3. 5x - 2y = -4 4. y = -x 5. x= -1