SI \( f(x)=4 x^{2}+7 \) y \( g(x)=2 x+3 \) entonces \( g \circ f(1)= \) Seleccione una: a. 11 b. 25 c. 22 d. 18

The number of incarcerated adults N (measured in thousands) in a certain country can be approximated by the equation \( \mathrm{N}=-2.8 \mathrm{x}^{2}+72.4 \mathrm{x}+1914 \), where x is the number of years since 2000. In 2012 , the number of incarcerated adults peaked. How many adults were incarcerated in that year? There were \( \square \) incarcerated adults in 2012.

4. \( 4 x-2 x+2=2 x-2-2 x \)

Solve for \( M \). Assume that all other variables are nonzero. \( Q=\frac{2 \text { twM }^{2}}{3 c} \) \( M=\square \) (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.

Solve for the variable specified. \( A=\pi\left(k^{2}+R^{2}\right) p ; \) for \( k \)

a) \( 2 / 6=9 / x \) b) \( 1 / 3=x / 12 \) c) \( x / 10=6 / 5 \) d) \( \delta / x=2 / 15 \)