Sagot :
FUNCTIONS
==============================
» If f(x) = 7x - 4. Find each value. Show your solution.
[tex] \sf \large f(0)\begin{cases} \: \sf f(0) = 7(0) - 4 \\\: \sf f(0) = 0 - 4 \\ \: \purple{ \sf f(0) = - 4}\end{cases}[/tex]
[tex] \sf \large f( - 3)\begin{cases} \: \sf f( - 3) = 7( - 3) - 4 \\\: \sf f( - 3) = - 21 - 4 \\ \: \purple{ \sf f( - 3) = - 25}\end{cases}[/tex]
[tex] \sf \large f(5)\begin{cases} \: \sf f(5) = 7(5) - 4 \\\: \sf f(5) = 35 - 4 \\ \: \purple{ \sf f(5) = 31}\end{cases}[/tex]
[tex] \sf \large f( - 1.5)\begin{cases} \: \sf f( - 1.5) = 7( - 1.5) - 4 \\\: \sf f( - 1.5) = - 10.5 - 4 \\ \: \purple{ \sf f( - 1.5) = - 14.5}\end{cases}[/tex]
[tex] \sf \large f( \small\frac{1}{3} \large)\begin{cases} \: \sf f( \frac{1}{3} ) = 7( \frac{1}{3} ) - 4 \\\: \sf f( \frac{1}{3} ) = \frac{7}{3} - 4 \\ \: \purple{ \sf f( \frac{1}{3} ) = \small - \large \frac{5}{3} }\end{cases}[/tex]
[tex]\sf \large f( \small\frac{5}{7} \large)\begin{cases} \: \sf f( \frac{5}{7} ) = 7( \frac{5}{7} ) - 4 \\\: \sf f( \frac{5}{7} ) = 5 - 4 \\ \: \purple{ \sf f( \frac{5}{7} ) = 1}\end{cases}[/tex]
==============================
#CarryOnLearning
(ノ^_^)ノ