Determine whether the following table can be modeled exactly by an exponential function.
t 3.21 4.21 5.21 6.21 y 52.65 94.77 170.59 307.06
What will be an ideal response?
The data can be modeled exactly by an exponential function.
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The following data show the world population W, in billions, t years after 1950. t 0 20 30 50 60 W 2.56 3.71 4.45 6.09 6.85? A: Use logistic regression to model W as a function of t. Round the r value to three decimal places.B: Plot the graph of the data along with the model you found in part A. Your graph should show the world population up to the year 2100.C: According to the model, when was the world population growing at its fastest rate? ? Round your answers to two decimal places, if necessary.
What will be an ideal response?
Use a grapher to find the vertex or x-intercepts, as indicated, of the quadratic function.Find the x-intercepts of the function f(x) = -14.6x2 - 2.51x + 2.39. Round to two decimal places if needed.
A. (-0.50, 0), (0.33, 0) B. (-0.33, 0), (0.50, 0) C. (1.87, 0), (-0.54, 0) D. (-1.87, 0), (0.54, 0)
Solve the problem.The number of atoms in a slice of cheese is 11,349,788,107. Round this amount to the nearest ten-thousand.
A. 11,349,788,100 atoms B. 11,349,788,110 atoms C. 11,350,000,000 atoms D. 11,349,790,000 atoms
Add: -1.8 + 6.6
A. -8.4 B. 4.8 C. 8.4 D. -4.8