Use the graph of the function to find the domain and range of r. Find the averag

Question

Use the graph of the function to find the domain and range of r. Find the average rate of change of the function from X_1 to X_2. f(x) = 7x + 6 X_1 = 0, X_2 = 4 Determine the intervals over which the function is increasing, decreasing, or constant. f(x) = squareroot x^2 - 25 Find the average rate of change of the function from X_1 to X_2. Function x-Values f(x) = x^2 - 4x + 7 X_1 = 1, X_2 = 6 Determine whether the function is even, odd, or neither. Then describe the symmetry. f(x) = x^6 - 2x^2 + 3

Explanation / Answer

[7 (4) + 6] – [ 7(0) +6] = 34-6 = 28

[(6)2 – 4(6) + 7 ] – [(1 ) 2 – 4 (1) +7] = 19- 4 = 15

5. The function f (x) = x6 – 2x2 +3 is even as 6 is an even number.

6. The function f (x ) = (x 2-25) ½ has y-axis symmetry.

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