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natali 33 [55]
3 years ago
8

=

Mathematics
1 answer:
nalin [4]3 years ago
5 0

Step-by-step explanation:

d/dx [ax² + bx] = 2ax + b.

When x = 1, 2a(1) + b = -2. => 2a + b = -2

When x = 3, 2a(3) + b = 10. => 6a + b = 10

Therefore a = 3 and b = -8.

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Answer:

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