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Given that y=18 + 3x² (i) find the value of y when x= -2

2 Answers

2 votes

Answer:

y= 6

Explanation:

substitute x= -2 in the equation y=18+3x^2

from there you'll get your final answer

Given that y=18 + 3x² (i) find the value of y when x= -2-example-1
User Asad Ashraf
by
3.7k points
5 votes

Answer:

y=30

Explanation:

f(-2)=18+3(-2)^2

f(-2)=18+3*4

f(-2)=18+12

f(-2)=30

User Guillaume Algis
by
4.1k points