24-10-2017
Mathematics

contestada

WILL GIVE BRAINEST
find f(-2) for f(x)=2×3^x
a.-18
b.1/18
c.-36
d.2/9

Respuesta :

umarsaqib605oxqcm0 umarsaqib605oxqcm0

24-10-2017

d is correct. f(-2) the number in the bracket is an input so..
whenever you see an X in the function replace it with -2
f(-2)=2*3^-2
3^-2 is 1/9
1/9 * 2 is simply 2/9
so D is correct

Answer Link

MohammadAmir MohammadAmir

24-10-2017

f(-2)=2*3^-2
=2/3^2
=2/9

Answer Link

Otras preguntas

Definition of Dominican friar

Write and evaluate an expressionn

You see: eliÃ¡nyou hear: es el ocho, cuarenta y tres, cero, ocho, treinta y cinco.you write: 843-0835

Psychophysics began with the work of which 19th-century german scientist(s)

The _______________ are the most critical for the inner core of personality, according to objection-relation theorist

Does the hormone estrogen increase the milk yield of dairy cows?

A student pipets 10 ml of a 0.0693 m solution of kbr into a 500 ml volumetric flask and dilutes to the mark. what is the concentration of the resulting solution

A new mother reports that her niece was diagnosed as an infant with gastroesophageal reflux (ger). the newborn's mother asks the nurse if her newborn also has t

Tripling the greater of two consecutive even integers gives the same result as subtracting 10 from the lesser even integer. What are the integers?

Sort the properties of inherited and somatic mutations. exists in all the cells of the body skin cancer caused by UV exposure not passed on to offspring inherit