What is the minimum value of the function f(x) = 2x^2 + 4x - 9? A. -11
B. -9
C. -3
D. 1

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

With number 11 ( show how you got the answer)