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Questions in mathematics

[Done] Which represents the inverse of the function [tex]f(x)=4 x[/tex]? A. [tex]h(x)=x+4[/tex] B. [tex]h(x)=x-4[/tex] C. [tex]h(x)=\frac{3}{4} x[/tex] D. [tex]h(x)=\frac{1}{4} x[/tex]

[Done] Write each product or quotient in exponential form. 1. [tex]$10 \times 10 \times 10 \times 10 \times 10=$[/tex] ?

[Done] Evaluate the following. If [tex]$f(x)=-(3 x+7)$[/tex], what is [tex]$f(8)$[/tex]?

[Done] What is the slope of the line represented by the equation [tex]$y=\frac{4}{5} x-3$[/tex]? A. -3 B. -[tex]$\frac{4}{5}$[/tex] C. [tex]$\frac{4}{5}$[/tex] D. 3

[Done] Graph the inequality on the axes below: [tex]y\ \textless \ \frac{3}{5} x+2[/tex]

[Done] Solve the system using substitution. [tex]\begin{array}{l} x=-2 y-6 \\ 6 x+2 y=4 \end{array}[/tex] ([?], )

[Done] [tex]\frac{x+1}{x}+\frac{x-3}{3 x}[/tex]

[Done] [tex]\frac{x^2 y^4}{x y^2}[/tex]

[Done] If [tex]f(x)=x^2-2x[/tex] and [tex]g(x)=6x+4[/tex], for which value of [tex]x[/tex] does [tex](f+g)(x)=0[/tex]?

[Done] When solving an equation, Emily's first step is shown below. Which property justifies Emily's first step? Original Equation: [tex]$1(-3 x)=-2$[/tex] First Step: [tex]$(1,-3) x=-2$[/tex]