The point Q lies on the curve f(x) = -x^2 + 6x-7 and has coordinates (4,1) Line L, through Q, is perpendicular to the tangent at Q

a) Calculate the gradient of L

b) find the equation of L

c) The line intersects the curve again at R. Find the coordinates of R

2. Find the coordinates of the point on the graph of f(x) = x^2-x at which the tangent is parallel to the line y=5x

Isuck at math ; ^; m a student solved this problem and said the answer is 3 feet. chase had a roll of ribbon that contained 7 7/8  feet of ribbon. he cut off one piece that was 3 5/8  feet long and another piece that was 1 1/4  feet from the roll. how much ribbon was left on the roll? is the student's answer reasonable? yes, the answer is reasonable. no, the answer is not reasonable. it should be about 2 feet. no, the answer is not reasonable. it should be about 13 feet. no, the answer is not reasonable. it should be about 4 feet.

Explain why the factor 1.5 is broke. into two numbers in the model.

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]