MiguelEmirPadillaCan MiguelEmirPadillaCan

Today at 3:27 PM
Mathematics

Answered

If f(x) = 4x + 5, what is the value of x when f(x) = 21?

Answer :

themetroprince themetroprince

Today at 3:32 PM

Answer:

x=4

Step-by-step explanation:

f(x)=4x+5

f(x)=21

use substitution

21=4x+5

subtract 5 from both sides

4x=16

divide both sides by 4

x=4

Answer Link

Other Questions

Data are drawn from a bell-shaped distribution with a mean of 25 and a standard deviation of 4. There are 1,000 observations in the data set. a. Approximately w

Required: 1. Prepare a bank reconciliation for Oscar's checking account on February 28, 2021. (Amounts to be deducted should be indicated with a minus sign. Tot

Required: 1. Prepare a bank reconciliation for Oscar's checking account on February 28, 2021. (Amounts to be deducted should be indicated with a minus sign. Tot

SKM Innovations, Inc., anticipates producing 40,000 units and incurring the following manufacturing costs for the coming year: raw material, $35 per unit; direc

A light hollow tube of 2.00 cm diameter and 1.0 m length is filled with tiny beads of different density. The resulting density distribution is linear, with the

what is the function of Mitochondria

How many vertices does a

letter to editor about poor edition write a letter

Which expression represents 1 3 log ⁡ x − log ⁡ 5 \frac{1}{3

12.Which button do we need to press in Google photos to restore the image in its originalform?a.Undo Editsb.Vignettec.Edit

Copy equipment was acquired at the beginning of the year at a cost of $72,000 that has an estimated residual value of $9,000 and an estimated useful life of 5 y

After the accounts are adjusted and closed at the end of the fiscal year, Accounts Receivable has a balance of $673,252 and Allowance for Doubtful Accounts has

A factory worker pushes a 32.0 kgkg crate a distance of 4.0 mm along a level floor at constant velocity by pushing horizontally on it. The coefficient of kineti

A local AM radio station broadcasts at a frequency of 696 KHz. Calculate the energy of the frequency at which it is broadcasting.

The estimates of the manufacturing overhead and of machine-hours were made at the beginning of the year for the purpose of computing the company's predetermined

Read the excerpt from The Monsters Are Due on Maple Street. 52. CLOSE SHOT – GOODMAN 52. As he instinctively backs away. GOODMAN She's crazy. Look I can explain

There is a bond that has a quoted price of 103.203 and a par value of $2,000. The coupon rate is 6.81 percent and the bond matures in 23 years. If the bond make

A high school has 32 players on the football team. The summary of the players' weights is given in the box plot. Approximately, what is the percentage of player

Suppose you are stranded on an island. Luckily, this island is rich in clams and mangos. If you devote all of your time to harvesting clams, you can get 100 cla

A 97.0 kg ice hockey player hits a 0.150 kg puck, giving the puck a velocity of 48.0 m/s. If both are initially at rest and if the ice is frictionless, how far