10-09-2014
Mathematics

Answered

for the function f(x)=3xsquared- 2x+5 find f(1) f(-2) and f(a)

Verified Answer :

10-09-2014

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

Answer Link

Related Questions

Which word in the sentence is a proper adjective Sara enjoys British literature especially the plays of Shakespeare a Shakespeare b Sara c British

on the map of europe shade in the country that sponsored henry hudson

State the most appropriate metric units to use to measure the distance from the top of a table to the floor A km B kg C mm D cm

The long light snakes across the lakes The repeated use of the first l sound is called Responses rhyme scheme rhyme scheme metaphor metaphor personification per

is y75x a proportional relationship and why

What three serious problems did Jimmy Carter face during his term of office

Danni counted 48 apples in a basket of applesThe basket really countained 46 apples

what led to the creation of two Chinas

Which of the following is correct for the effect of linkage on recombination It increases the percentage of recombinants It results in 50 recombinants It reduce

Which word correctly completes the sentence Lets go the tunnel A into B in

Web Analytics