1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Sedaia [141]
4 years ago
14

Given the function f(x) = 3x2 − 4, what is f(-2)? A. -40 B. -16 C. 8 D. 32

Mathematics
2 answers:
adoni [48]4 years ago
8 0
^^ correct! It would be 8! Your answer is C.
Temka [501]4 years ago
3 0

All this is asking you to do is plug in -2 for x

So

f(x)=3x²-4

f(-2)=3(-2²)-4

f(-2)=12-4

f(-2)=8

You might be interested in
Suppose the area of a square 16 yards. Find the perimeter of the square.
kati45 [8]
You take the area and find the square root
                       V                              V
                      16                              √
so you would be looking for √16 which equals 4

then you would add 4 by the length of the other 4 side to find the perimeter, which is ironically 16
7 0
4 years ago
Jill owes her parents $100. She saves $12.50 each week.
kirza4 [7]

Answer:

(12x9)+(9x50)= 112.50

Step-by-step explanation:

100 is the total

12.50 find what you can multiply for closest answer to 100

so 12.50 x 9 which is 108

but dont forget the 50cents so she has

$112.50

I think its right if you get it wrong sorry

4 0
3 years ago
Read 2 more answers
Ben drinks tea at an incredible rate. He drinks 3.5 loiters of tea every 2/3 of an hour. How many of liters of tea does he drink
zysi [14]
First divide 3.5 by 2 which equals 1.75. Then do 1.75*3 which equals 5.25. So he drinks 5.25 liters in one hour.
6 0
4 years ago
Read 2 more answers
Please help me with this
alekssr [168]

Answer: 30^{\circ}

Step-by-step explanation:

Given

\sin 60=\dfrac{\sqrt{3}}{2}

For

\cos \theta =\dfrac{\sqrt{3}}{2}

It indicates \theta lies in I st quadrant. The value of cosine 30^{\circ} is equal to  \dfrac{\sqrt{3}}{2}

Therefore, \theta must be 30^{\circ}

3 0
3 years ago
Dennis spent $17.00 of the $20.00 in his wallet.
MaRussiya [10]
The answer is .85
$17/$20
=.85
8 0
4 years ago
Read 2 more answers
Other questions:
  • 1 a. Rhian measures the height of one of her tomato plants as 20 cm. Next week it is 15% taller. What is its new height?
    7·1 answer
  • 36 games of 12 losses as a unit rate
    7·2 answers
  • If the original price is $55 and the sale price is $46.75 what is the discount
    5·1 answer
  • How to solve 8x^3+1=0
    15·1 answer
  • I need to know what to do for this problem. I am confused. Thanks♡
    10·2 answers
  • Solve for y=4x-300 and y=3x+600
    11·1 answer
  • Can someone please feel where to put the numbers on the number line please I will give u brilliant
    5·1 answer
  • 3.248 simplified fraction
    10·1 answer
  • -5+i/2i ????<br> please help!
    6·1 answer
  • They’re 25 student’s 14 female and 11 male two students are selected at random to participate in a probability experiment. compu
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!