23btyler 23btyler

13-12-2019
Mathematics

contestada

If f(x)=x^2-15 and f(a)=49, what is the value of a? Explain.

Respuesta :

Yang100 Yang100

13-12-2019

Answer:

a=8, -8

Step-by-step explanation:

a^2-15=49

a^2=49+15

a^2=64

a=sqrt(64)

a=8, -8

Answer Link

Otras preguntas

What part of the UN has the sole function of discussing issues of international concern? A. SECURITY COUNCIL B. GENERAL ASSEMBLY C. INTERNATIONAL COURT OF JUSTI

What value should be added to the expression to create a perfect square? x2 – 10x A. 25 B. –100 C. 5 D. 100

What is the MAD of the data set? {5, 12, 1, 6, 11}

how did the cold war affect the development of the global age?

Help Please. Which word in the sentence is the object of the preposition? The movie hero boarded the moving train and went into a dark tunnel. A. dark B. tunnel

Which of these statements is true of both journals and diaries? A. They are objective. B. They have a third-person narrator. C. They include many points of view

moylon has 10 DOLLARS less than the flut. the flut has 35 dollars more than greebly. if they have 75 dollars altogether how much does each creature have and who

Which sentence uses commas correctly? A. You should, nevertheless save some time for volunteering. B. By the way supper will be at, 6:30 tonight. C. A hot grill

When Marco Polo came to China from Venice, which ruler did he meet with? (4 points) Qin Shi Huang Wu-Ti Genghis Khan Kublai Khan

What inference can you make about the Excelsior from the passage?