Question

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Evaluate each function for the given value of x, and write the input and output as an ordered pair. Need help? Check out these resources: http://virtualnerd.com/algebra 1/linear-equation-analysis/point- slope-standard-form/standard-form-examples/write-linear- equation standard-form-slope-point 27. f(x) = 3x - 7 for x = 6 28.g(x) = 9x - 5 for x = 3 29.h(x) = 12x for x = 4 30.t(x) = 8x - 5 for x = 7 Linear Functions and Slope Intercept Form You can use the slope-intercept form to write equations of lines. • The slope-intercept formula is y = mx - b, where m represents the slope of the line, and b represents its y-intercept. The y-intercept is the point at which the line crosses the y-axis. • The slope of a horizontal line is always zero, and the slope of a vertical line is always undefined Problem What is the equation of the line that contains the point (3. – 1) and has a slope of - ?

Answer 1

27 f(x)=34-7 fer x = 6 J (X)=3(6)-7 (X) = 3x-5 for x=3 g(x) = 9 (3-5 -27-5 g(x) = 22 (ti g(x)) = (3,22 18-7 f(x) f(x) =11 Xıdıx){6116) 30 29 h(x) = 12x for x = 4 hu=1214) = 40 t(x) = 8x-5 for x=7 t(x)= 817) -s = 56-5 - SI (X, (+lx))) = ( 7,50 [(x, h(x)) = (4,48)