y=7x+4 решите плизз

Question

y=7x+4 решите плизз

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Answer 1

y(-2) = 7*(-2) + 4 = -14 + 4 = -10

y(-1/7) = 7*(-1/7) + 4 = -1 + 4 = 3

y(0.5) = 7*1/2 + 4 = 7/2 + 8/2 = 15/2 = 7 1/2 = 7.5

y(-3) = 7*(-3) + 4 = -21 + 4 = -17

y(0) = 7*0 + 4 = 4

y(1.2) = 7*6/5 + 4 = 42/5 + 20/5 = 62/5 = 12 2/5 = 12.4

Comments

а что озночает *

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умножить