Identify the choice that best completes the statement or answers the question. 1. Find / (1) if f(x) - 3x3 + x+ 1. a. 3 C. 7 6 d. 8 2. Find /"(1) if f(x) = ax' + bx+ c. a. a+b+c c. 2a+b b. 2a +b+ c d. a+b f'(2) 3. Find if f(x) = (1-x3 ](x3 -1 ) a. 144 . -168 b. -144 d. 0 4. Find / (2) if /(x) = 2(1 -x)* a. 8 C. 16 b. -8 -4 f'(1) if /(x) - 4x - 1 5. Find x+2 . a. C. aly WIN DIV b. d. 6. Determine the equation of the tangent to the graph of ) = x* -4~X at the point (4, 8). a. y- x+4 c. y = 7x+8 b. y = 7x - 20 d. y= -7x+ 36 7. The position function of an object is given by s() = 215 - 121 + 30#+ 8, where time, /, is in seconds and distance, s, is in metres. What is the object's acceleration at / = 1? a. 12 m/s' c. 20 m/s' b. -12 m/s' d. 0 m/s