Let f(x) = 2x^2+x-3 and g(x) =x-1. perform the indicated operation, then find the domain. (f-g)(x)
a) x^2-4; domain: all positive real numbers
b) 2x^2-4; domain: all real numbers
c) x^2; domain: all real numbers
d) 2x^2-2; domain: all real numbers

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

Lv beethoven software supplies customized software to a managed healthcare system. lv beethoven software's costs for the software is $1,723,000. lv beethoven software sells the software to the healthcare system for $3,816,981.10. overhead expenses are estimated at 47% of the selling price. what is lv beethoven software's net profit to the nearest dollar?

The graph below shows the height of a projectile t seconds after it is launched. if acceleration due to gravity is -16 ft/s2, which equation models the height of the projectile correctly?