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Questions in mathematics

[Answered] Let [tex]$f(x)=-x^2-5$[/tex] and [tex]$g(x)=3 x+2$[/tex] Find and simplify [tex]$(g \circ f)(x)$[/tex]. A. [tex]$(g \circ f)(x)=9 x^2+12 x-1$[/tex] B. [tex]$(g \circ f)(x)=-3 x^3-15 x+2$[/tex] C. [tex]$(g \circ f)(x)=-3 x^2-13$[/tex] D. [tex]$(g \circ f)(x)=-9 x^2-12 x-9$[/tex]

[Answered] What is the solution to the linear equation? [tex]\frac{2}{3} x-\frac{1}{2}=\frac{1}{3}+\frac{5}{6} x[/tex]

[Answered] Select the correct answer. Which function is increasing on the interval $(-\infty, \infty)$? A. $g(x)=-4\left(2^x\right)$ B. $j(x)=x^2+8 x+1$ C. $f(x)=-3 x+7$ D. $h(x)=2^x-1$

[Answered] Solve $3^{x+6}=3^4$.

[Answered] $0.2-\frac{4}{10}-1.625=\square$ Enter the answer as an exact decimal or simplified fraction.

[Answered] An oblique prism has a base area of $3 x^2$ square units. What expression represents the volume of the prism, in cubic units? $15 x^2$ $24 x^2$ $36 x^2$ $39 x^2

[Answered] Box A has a volume of 64 cubic meters. Box B is similar to box A. To create Box B, Box A's dimensions were divided by 2. What is the volume of Box [tex]$B$[/tex]? A. [tex]$128 m^3$[/tex] B. [tex]$8 m^3$[/tex] C. [tex]$32 m^3$[/tex] D. [tex]$16 m^3$[/tex]

[Answered] Square A is smaller than Square B. Square B is smaller than Square C. The three squares' side lengths are 2 inches, 5 inches, and 7.7 inches. Write an equation for each of the squares shown. Square A Area = (2.62 or Area = 2.6 * 2.6 =?

[Answered] $y=x^2+4 x-2$ on $-3 \leq x \leq 2$

[Answered] Bruce walks $\frac{3}{4}$ mile in $\frac{1}{5}$ hour. What is his speed in miles per hour? Show your work.