$f(x)=3x^2-2x+5\\\\
f(1):\ \ Substitude\ 1 \ as\ x\ into\ function:\\
f(1)=3*1^2-2*1+5=3-2+5=\textbf{6}\\\\
f(-2)\ \ Substitude\ x=-2\\
f(-2)=3*(-2)^2-2*(-2)+5=3*4+4+5=12+4+5=\textbf{21}\\\\
f(a)\ \ substitude\ x=a\\
f(a)=\underline{3a^2-2a+5}$

4 0

4 years ago

99 POINTS HELP ME HURRY

andre [41]

Answer:

sqrt(11)

Step-by-step explanation:

3^3+sqrt2^2=11

4 0

3 years ago

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Which graph represents the line that has intercepts at (5,0) and (0,-4)?

AleksAgata [21]

Answer:

Step-by-step explanation:

The graph goes through 5 of the x -axis and -4 on the y axis

7 0

3 years ago

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Will mark brainliest! The triangles shown below must be congruent, true or false

olchik [2.2K]

True because they have the same size angles

8 0

3 years ago

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