veronikakaldess veronikakaldess

Today at 5:25 PM
Mathematics

Answered

f (x) = x2 + 4
What is the value of x when f (x) = 42
A. -2
В. 0
C 12
D. 20

Answer :

imranhafeez73 imranhafeez73

Today at 5:30 PM

Answer:

f(x)=X^2+4

f(x)=42

42=X^2+4

X^2+4=42

X^2=42-4

X^2=38

X=sqrt(38)=6.16

[tex] \sqrt{?} [/tex]

Answer Link

Other Questions

ex 2.8 3. find the maximum value of y for the curve y=x^5 -3 for -2≤x≤1

Which atomic model that shows the atomic structure is missing from this set? bohr’s model schrödinger’s model rutherford’s model thomson’s model

Can someone please help me with an essay? I'm nearly done, but I just need help with revising and editing. Thanks. -Emily

Explain what happened to each ball. Why you think it happened? Replay the experiment as many times as necessary to review

What are two equivalent fractions 25 / 30

He is an average man with common thouhts and wishes

ar ans taratari dao please

Thoiba's weight is 5 kg less than Thoithoiba and Yoihenba's weight is 3 kg more than Thoithoiba. If 103 kg is the total weight of the three boys, Thoithoiba's w

How do you prepare bleaching powder and plaster of Paris?

हलन चलन यानी क्या सजीवो में किस हेतु सर हलन चलन देखने को मिलता है

You've learned a lot about wellness and want to share it with others. Which of the following is the best way to assist others in improving their own health, and

5 ordinary quarters and have a quarter with two heads are placed in a hat. one quarter selected at random and tossed twice. if the outcome is "HH", what is the

What is the chemical formula for the compound formed between rubidium and iodine?

jing spent 1/3 of her money on a pack of pens,1/2 of her money on a pack of markers, and 1/8 of her money on a pack of pencils what fraction of her money is lef

Post-lab questions hat are two possible sources of error in the experiment? explain 2. When an acid reacts completely with a base the process is often called ne

A mixture of two hydrocarbons, C8H18 (octane) and C7H8 (toluene), has a mass of 157 g. The hydrocarbon mixture is burned in excess oxygen to form a mixture of c

ASAP 3.What does England represent in this novel? A. oppression and greed B. kindness and humor C. order and civilization D. waste and hatred 10.Why does Dr. L

Please help!! What do scientists believe may be the fate of the universe? Which theory do you feel is the better explanation of what may happen? Why?

Rank the following elements from most to least electronegative: Ge, Ca, Br, K Please choose the correct answer from the following choices, and then select the s

Doctors, lawyers, and accountants fit into which category in Dennis Gilbert's model of class structure