okkatie01 okkatie01
  • 03-12-2018
  • Mathematics
contestada

find X if f(x)=2x + 7 and f(x)= -1

A. -2 = x

B. -4 = x

C. 1 = x

D. 0 = x

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 03-12-2018

Answer:

B. -4 = x

Step-by-step explanation:

f(x) = 2x+7

-1 = 2x+7

solve for x

subtract 7 from each side

-1-7 = 2x +7 -7

-8 = 2x

divide by 2

-8/2 = 2x/2

-4 = x

Answer Link

Otras preguntas

Solve for 2x+3y+6z when x=4, y=3, and z=6.
Question 10 1 pts A6-ounce blueberry muffin has 450 calories. How many calories are there per ounce? 75 calories per ounce 456 calories per ounce 0.013 calories
Whats a mole in chemistry?????
A line is parallel to y = 2x – 8 and intersects the point (-4, -1). What is the equation of this parallel line? y = [?]x + [ ] Hint: Use the Point-Slope Form: y
b. A number y minus 75.​
A transversal will form four pairs of complementary angles when it intersects two lines. Choose the correct answer below: A. The statement is always true B. The
các acit amin liên kết với nhau bằng liên kết gì
Write a SELECT statement that returns these columns from the Orders table: The order_date column A column that uses the DATE_FORMAT function to return the four-
Does healthcare your family friends and or your community?(point)
5 important of slefless individuals in the society​