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1. (05.05) What is the rate of change for the linear relationship modeled in the table? (4 points) x y −1 10 1 9 3 8 5 7 negative one over two 0 one over two 2

Lassify the function as linear or quadratic and identify the quadratic, linear, and constant terms. f(x) = (3x + 2)(−6x − 3) linear function; linear term: −21x; constant term: −6 linear function; linear term: −18x2; constant term: −6 quadratic function; quadratic term: 6x2; linear term: 24x; constant term: −6 quadratic function; quadratic term: −18x2; linear term: −21x; constant term: −6

X-intercept=-5 y-intercept=2 the equation of the line is

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)