-4x+12 2 x+7 (b) f(-7) decimal.) ecimal.) lecimal.) ecimal.) if xs-6 if -6

Determine the intervals on which the function is concave up or down and find the points of inflection. f(x) = 6x³ - 11x² + 1 (Give your answer as a comma-separated list of points in the form (*, *). Express numbers in exact form. Use symbolic notation and fractions where needed.) points of inflection: DNE Incorrect Determine the interval on which f is concave up. (Give your answer as an interval in the form (*, *). Use the symbol ∞ for infinity, U for combining intervals, and an appropriate type of parenthesis "(",")", "[","]" depending on whether the interval is open or closed. Enter Ø if the interval is empty. Express numbers in exact form. Use symbolic notation and fractions where needed.) XE ( + 1,00) Determine the interval on which f is concave down. (Give your answer as an interval in the form (*, *). Use the symbol ∞ for infinity, U for combining intervals, and an appropriate type of parenthesis "(",")", "[","]" depending on whether the interval is open or closed. Enter Ø if the…

Pls help ASAP

Find the x-intercept(s) of the function /(x)--+5x-6. O 2 and 3 6 and 1 -1 and 6 5/2 and 3 O search