Resposta :
y = ax + b
Coef. angular: a
Coef. linear: b
a. y = 3x + 60
a = 3
b = 60
b. f(x) = 12x
a = 12
b = 0
c. f(x) = - 17 + 7x
a = 7
a = 7b = - 17
att. yrz
y = ax + b
Coef. angular: a
Coef. linear: b
a. y = 3x + 60
a = 3
b = 60
b. f(x) = 12x
a = 12
b = 0
c. f(x) = - 17 + 7x
a = 7
a = 7b = - 17
att. yrz