Sendo A = (-1, 0, 1, 2) e B = (-2, -1, 0, 1, 2, 3, 4), verifique em cada caso se a lei dada define uma função de A com valores e
Eduardwww [97]
Answer:
A
Step-by-step explanation:
Because f(x) equals 4X
Answer:
2
Step-by-step explanation:
f(x) = 1 / x
f(1/2) = 1 / (1/2)
Reciprocal of 1/2 is 2, since you flip numerator and denominator:
f(1/2) = 2
2 1/2 = (2*2+1)/2 = 5/2
5/2 : 1/4 = 5/2 * 4/1 = 20/2 = 10