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Math

Answered

evaluate f(a) = a² + 2a - 1 if a = -2

a. 7
b. 4
c. 6
d. 8

Sagot :

NERO101IN NERO101IN

Answer:

Step-by-step explanation:

f(a) = a² + 2a - 1

= a² + 2a - 1

= (-2)² + 2(-2) - 1

= 4 - 4 - 1

= -1

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