Calculate the gradient of $$\(y=24+5 x-x^{2}\)$$ at $$\(x=-1.5\)$$. .............................................

Mathematics
IGCSE&ALevel
CAIE
Exam No:0580_w20_qp_43 Year:2020 Question No:7(a)(iii)

Answer:

8

Knowledge points:

E2.13.1 Understand the idea of a derived function.
E2.13.2

Solution:

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