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
babymother [125]
3 years ago
15

If f(x) = 2x2 − 30, find f(4).

Mathematics
1 answer:
Naddik [55]3 years ago
8 0

Just replace x = 4

2x^2 - 30

=2 *(4)^2 -30

= 2 * 16 - 30

= 32 - 30 

= 2

Answer is 2

You might be interested in
The depth of a diver is her distance below sea level because depth represents a distance
grandymaker [24]

The depth of the diver is 32 feet below sea level.

<h3>What is the angle of elevation?</h3>

The angle of elevation is the angle between the observer's eyesight horizontal line and the object. The complete question can be seen in the image attached below.

The depth of the diver is the absolute value of -32 since it can't be negative.

= |-32|

= 32

Therefore, we can conclude that the depth of the diver is 32 feet below sea level.

Learn more about the angle of elevation here:

brainly.com/question/88158

#SPJ1

3 0
2 years ago
Which is least like the others: rotator, deified, race car, alright
ICE Princess25 [194]
<span>The correct answer is "alright". This is the only word in this list that is not a palindrome (a word that is the same forward and backward).</span>
7 0
4 years ago
Let f(x)=x^2+4x+3 for what values of x will satisfy the equation f(x)=8
irga5000 [103]
Answer: {-1, 1}
Explanation: If you plug in either 1 or -1 into the equation, it will satisfy the equation f(x) = 8.
5 0
2 years ago
There are 6 blue marbles, 3 red marbles, and 5 yellow marbles in a bag. What is the probability of selecting a blue or red marbl
STALIN [3.7K]
8.5 and the thing is 5/2
5 0
3 years ago
Christian burns 4 1/2 calories in 2/3 if a minutes riding his bike. HOW MANY CALORIES WILL CHRISTAN BURN IN 1 MINUTE OF BIKE RID
Agata [3.3K]

Answer:

The answer is 6.75 calories or 6 \frac{3}{4}

Step-by-step explanation:

First, we need to find out how many calories per 1/3 minute.

4 1/2 divided by 2 = 2 1/4 or 2.25

2 1/4 or 2.25 x 3 = 6 \frac{3}{4} or 6.75 calories

Mark as Brainliest!

#LearnWithBrainly

4 0
3 years ago
Other questions:
  • Which dimensions cannot create a triangle?
    6·2 answers
  • 0.07 as a mixed number
    11·1 answer
  • Describe the congruence transformation that maps quadrilateral ABCD to quadrilateral A'B'C'D'.
    9·1 answer
  • 5. What is the range of test B?<br> A 35<br> C<br> B 50<br> D<br> 25<br> 40
    8·1 answer
  • the average person breathes 35 pounds of air per day. at this rate, how many pounds of air will the average person breathe in se
    8·2 answers
  • A rectangular picture frame has outside dimensions of 8 inches wide and 10 inches tall. If the glass on the picture frame has an
    11·1 answer
  • Given h(x)=5x-2, find h(5)
    12·2 answers
  • Please help! confused &amp; tired :(
    10·2 answers
  • The length of the ___ of the rectangular region approximates the length of the ___
    15·1 answer
  • Plss help Given the equation :
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!