Need help with problems 1-11. Answers only is fine if you want. I'll give helpful rating.
Select the correct answer. What is the estimated value of f'(30), based on the values below? O A. o 2 O B. 0.35 O c. 0.5 O D. 1.25 2 Select the correct answer. Given f(x) = 3x2 + 6, what is f'(1)? O A. 12 OB. 6 OC. 9 OD. 3. Select the correct answer. Given the graph of x), what is the estimated value of f '(2)? 4 Select the correct answer. What is the equation of the tangent line to the function y = 2x3 - x2 + 3 at X = 1? O A. = 4x +8 OB. y= 4x - 8 O C. y= 4x - 6 OD. y= 4x5 Select the correct answer. The displacement of a car starting from rest is given by s(t) = 0.612 m. Estimate the average speed over the first 4 seconds of its motion. O A. 1.2 m/s O B. 2.4 m/s O C. 3.6 m/s O D. 4.8 m/s6 Select the correct answer. A can of juice is placed in a refrigerator for cooling. Which statement correctly describes the rate of change of temperature of the can? Temperature (in degree C) R 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (in minutes) O A. Temperature at point Q is greater than temperature at point R. O B. Temperature at point R is less than temperature at point Q. O C. Temperature at point P is less than temperature at point Q. O D. Temperature at point Q is less than temperature at point R.7 Select the correct answer. This table shows the amount (in dollars) in a savings account over a 7-year period. Estimate the average savings per year in the last five years. Year Amount (in dollars) 2003 8,000 2004 17,400 2005 28,270 2006 40.684 2007 54,718 2008 70,453 2009 87,977 O A. 56,420.40 $/year O B. 11,941.40 $/year O C. 9,343.60 $/year O D. 29,814.40 $/year8 Select the correct answer. John sells flowers in a local shop. He made a table of the number of flowers he sold over the last 2 weeks. Find the instantaneous rate of change on the tenth day. Day Flowers 2 152 4 176 6 264 8 316 10 240 12 312 14 344 O A. -8 flowers/2 days O B. -1 flower/2 days O C. 12 flowers/2 days O D. 37 flowers/2 daysSelect the correct answer. The graph shows Mia's velocity as she drives her go-cart around a track. How many times does her acceleration remain exclusively positive? 10 Select the correct answer. The graph shows the function (x). -2 -1 2 5 What will the graph of f'(x) look like? OA Graph A UT -2 2 3 O B. Graph B 5 4 3 -2 -1 2 OC Graph C -5 -4 -3 -2 -1 2 31 1 Select the correct answer. A teacher is demonstrating how oxygen is generated when hydrogen peroxide is decomposed. He adds some manganese dioxide to increase the rate of oxygen generation. If the graph shows the amount of oxygen generated per minute, which could be the most appropriate point where the teacher added the manganese dioxide? 0A. A OB. B CC. C
