The values of f(-3) is 36 and g(x) is -36
The functions are given as :
[tex]\begin{aligned}f(x)&=3x^{2}-3x\\g(x)&=5x-1 \end{aligned}[/tex]
it is to find the values of function at [tex]x=-3[/tex] and x=[tex]x=-7[/tex] respectively.
What is Mathematical function ?
Mathematical function is the representation of relation between independent variables and dependent variables.
Here, calculating the value of dependent variable [tex]f(x)[/tex] at [tex]x=-3[/tex]
[tex]\begin{aligned}f(x)&=3x^{2}-3x\\f(-3)&=3\cdot (-3)^{2}-3\cdot(-3)\\&=36 \end{aligned}[/tex]
Now, calculating the value of dependent variable [tex]g(x)[/tex] at [tex]x=-7[/tex]
[tex]\begin{aligned}g(x)&=5x-1\\g(-7)&= 5(-7)-1\\&=-36\end{aligned}[/tex]
Therefore, the value of [tex]f(x)[/tex] and [tex]g(x)[/tex] is 36 and -36 respectively.
check and know more about function here :
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