For f(x) = 3x + 1 and g(x) = x2 - 6, find (f + g)(x).

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a. the profit when the unit price is equal to 0b. the unit price(s) when the profit is equal to 0c. the profit when the unit price is greatestd. the unit price(s) when profit is greatest

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air