7) is -2 a zero (or root) of f(x) = 7x3 + x2 - 9x + 5?

In a school 2/3 of the students study a language of those who study a language 2/5 study french

The step function g(x) is defined as shown. what is the range of g(x)? ***answer choices in picture.

City l has a temperature of −3 °f. city m has a temperature of −7 °f. use the number line shown to answer the questions: number line from negative 8 to positive 8 in increments of 1 is shown. part a: write an inequality to compare the temperatures of the two cities. (3 points) part b: explain what the inequality means in relation to the positions of these numbers on the number line. (4 points) part c: use the number line to explain which city is warmer. (3 points)