Question

Evaluate v(x) = 14-3x when x=-3, 0 and 4.

Answer 1

Answer:

$v(-3)=23\\v(0)=14\\v(4)=2$

Step-by-step explanation:

$v(x)=14-3x$

$v(-3)=14-3(-3)\\\\v(-3)=14-(-9)\\\\v(-3)=23$

$v(0)=14-3(0)\\\\v(0)=14-0\\\\v(0)=14$

$v(4)=14-3(4)\\\\v(4)=14-12\\\\v(4)=2$

Answer 2

Answer:

$2 = v(4) \\ 14 = v(0) \\ 23 = v(-3)$

Step-by-step explanation:

$14 - 3(4) = 14 - 12 = 2 \\ 14 - 3(0) = 14 ± 0 = 14 \\ 14 - 3( -3) = 14 + 9 = 23$

Double negatives are ALWAYS positive, so be EXTREMELY careful on the first exercise.

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