EmpyrealBlue
EmpyrealBlue EmpyrealBlue
  • 02-09-2016
  • Mathematics
contestada

Evaluate f(x) = -2x² -4 for x=3

A. -10
B. 10
C. -18
D. -22

Respuesta :

Willchemistry
Willchemistry Willchemistry
  • 02-09-2016
f(x) = - 2 x² - 4 for x = 3

f(3) = - 2*3² - 4

f(3) = -2*9 - 4

f(3) = -18 -4

f(3) = -22

Answer D

hope this helps!
Answer Link
SyntaxError
SyntaxError SyntaxError
  • 02-09-2016
[tex]f(x) = -2x^2-4 \\ f(x) = -2(3)^2-4 [tex][plug in 3 into your x value][tex]\\ f(x)=-18-4[tex] [3 squared equals 9. Now multiply 9*(-2) = -18[tex]\\ f(x)=-22 [ -18-4][/tex]
Answer Link

Otras preguntas

Why the comparison of the poet’s love to a summer’s day is not appropriate?
HELP ASAP!!!! In the figure shown, which pair of angles must be complementary? ​ ∠AOC ​ and ​ ∠DOB ​ ∠COD and ∠DOB ​ ∠COB ​ and ∠AOC ∠AOC ​ and ∠COD
What volume in milliliters will 0.00922 g of h2 gas occupy at stp?
Please help me with this problem!
What is nuclear fusion? Why is this process important to stars
I NEED HELPPPPP!!!!!! I need 5 stanzas with the topic dangerous, with a bridge- a bridge Is basically were two stanzas are the same
A rectangular box has a volume of 5184 cubic inches. The box is 2 feet long by 18 inches wide. What is the height?
Which states had the largest slave population in 1860?
evaluate the expression 8z + 3; z=8
What is the main ultimate effect exercise has on a person’s respiratory system?