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

Samantha measured two of the angles in Triangle P Q R and found that they had measures of 65° and 70°. Then, she measured two of the angles in Triangle X Y Z an
Please help! Is this correct?
Read the sentence and answer the question that follows: The King of Hearts is the only king without a mustaches What word works as an adjective in this sentence
PLS HELP ME with this only PILLIPINES can understand this​
What makes leapord geckos good pets and hunters
HELP ASAP!! I WILL MAKE YOU BRAINLIEST, EXTRA DETAIL! There are 4 bio-macromolecules: Carbs, Lipids, Proteins, & Nucleic Acids. What are their monomers?
Explain the relationship between codon and gene.
"A promise is a promise," the old woman declared.
helppppppp meeeeee plz
The following statements do not make sense. Rewrite the sentences by replacing the underlined words or phrases with words or phrases that make sense. Follow the