What is the value of the expression? 30 - 5 x 4 + 2

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The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

The table below represents a linear function f(x) and the equation represents a function g(x): x f(x) −1 −5 0 −1 1 3 g(x) g(x) = 2x − 7 part a: write a sentence to compare the slope of the two functions and show the steps you used to determine the slope of f(x) and g(x). (6 points) part b: which function has a greater y-intercept? justify your answer. (4 points)