Does each expression below have a maximum or a minimum possible value? What real-number value of x will yield the maximum or minimum value? Where do you see these values in each expression? Homework Help ✎
(x + 4)2
–(x + 27)2
–(x – 40)2
(x + 32)2
Each of these expressions has a squared quantity. What is the lowest number you can get when squaring?
x = −4
If you try various values for x you will almost always get a negative number. Therefore 0 is the highest number you can obtain.
Maximum: x = −27