Find the domain of the quadratic function. (Enter your answer using interval notation.) y=4X23x+5 3. [-/2 Points] DETAILS WAILALGTUTBANK1 18.3.022.TUT. Determine the x-intercepts of the graph represented by the following quadratic function. Recall that y = f(x). f(x) = x2 - 4x - 21 ( x, y) = (smaller x-value) ( x, y ) = (larger x-value) Additional Materials Tutorial 4. [-/1 Points] DETAILS WAIIALGTUTBANK1 18.3.027.TUT. Find the minimum value of the quadratic function. y = x - 8x + 3 y = Additional Materials Tutorial5. [-/1 Points] DETAILS WAILALGTUTBANK1 18.6.002.TUT. MY NOTES Identify any real numbers excluded from the domain of the rational function. (Enter your answers as a comma-separated list. If no real numbers are excluded, enter NONE.) f ( x ) = x - 2 (x - 7) (x+ 1) X# Additional Materials Tutorial 6. [-/1 Points] DETAILS WAILALGTUTBANK1 18.6.003.TUT. MY NOTES Find the domain of the following function. 2 R (X ) = x2 + x - 2 O all real numbers except x = -2 O all real numbers O all real numbers except x = -2, 1 O all real numbers except x = 2, -1 O all real numbers except x = 2 Additional Materials Tutorial7. [-I1 Points] DETAILS WAIIALGTUTBANK1 18.6.016.TUT. | MY NOTES A company produces bookcases. The average cost to produce x bookcases can be modeled by the function 7,774 + 60x X . C(x) = How many bookcases should the company produce each month in order to achieve an average cost of $160? (Round your answer to the nearest whole bookcase.) bookcases Additional Materials ' Tutorial 8. [-I3 Points] DETAILS WAIIALGTUTBANK1 18.6.017.TUT. | MY NOTES A baker starts a bakery with an initial investment of $15,000. The cost of producing a dozen loaves of bread is $59.50. (a) Write the total cost C as a function of x, the number of dozens of loaves produced. c: (b) Write the average cost per dozen E = E as a function of x, the number of dozens of loaves produced. x E: (c) Determine a realistic domain for the function in part (b). 0 negative integers 0 all real numbers 0 positive integers 9. [11 Points] DETAILS WAIIALGTUTBANK1 18.6.005.TUT. Use the graph to find the horizontal asymptote of the rational function. E Additional Materials ' Tutorial