Bantu jawab kak plsssss​

Jawaban:

f(x) = 2x²+x-5, absis = 1

m = f'(x) = 4x + 1

m = 4(1) + 1 = 5

f(x) = 2x² + x – 5

f(x) = 2(1)² + 1 – 5= – 2

Pgs

y – y1 = m (x – x1)

y – (-2) = 5 (x- 1)

y + 2 = 5x – 5

y = 5x – 5 – 2

y = 5x – 7