For the function f(x) = ax® – 5x + 12, what are the possible values of a and b, where a ER, beZ, such that f(x) has the following end behaviours: as x, y and as x, y →--
Justify your answer. [3T]

Without stratospheric ozone, which of the following would most likely occur? i. smog over major cities would be greatly reduced. ii. farms would produce surplus crops because of increased photosynthesis. iii. uv radiation would damage phytoplankton and reduce populations of aquatic consumers. i only ii only iii only i and ii i and iii

Is made of materials that are poor conductors, such as glass, plastic, or rubber. they are used in an attempt to keep an electrical current within safe boundaries. for example, the plastic coating on an electrical wire is and is designed to keep the electricity in the wire

What is the tychonic system? a. a model of the solar system in which all the planets (including earth) orbit the sun b. a model of the solar system in which the planets, moon, and sun orbit earth c. a model of the solar system where the planets orbit the sun, and this system orbits earth d. a model where all the planets and earth are fixed in space and only the sun and moon move e. a model that expands the system to a vast number of galaxies and star systems