What are the multiples of 9
2 answers:
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Answer:
(see attached workings)
y = -4x + 2
y = (4/5)x + 2/5
Step-by-step explanation:
- Rewrite the function to make y the subject.
- Find the x values of the points when y=-2 by substituting y=-2 into the rewritten function
- Differentiate the function
- Input the found values of x into the differentiated function to find the gradients of the tangents to the curve at y=-2
- Use the equation of a straight line and the points where y=-2 and the found gradients to find the equation of the tangent lines.
See attached for complete step-by-step.
