1,744 Answered Questions for the topic Functions

Functions Math Grade11

07/28/21

Graph two cycles of each of the following. State the domain and range of the cycle.
a) 2sin ((1/2)θ)b) -3cos((1/2)θ - 90) +1
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07/27/21

Without graphing, determine the average rate of change for the function f(x)=x^4 on the intervals below:
-1 ≤ x ≤ 1 -2 ≤ x ≤ 2 -10 ≤ x ≤ 10 What can you notice about the answers found for the intervals above? Why did that happen? If possible, graph the function and suggest why this behaviour occurs.
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Functions Math Systems Lines

07/26/21

stuck again with percentage question
A scientist has two solutions, which she has labeled Solution A and Solution B. Each contains salt. She knows that Solution A is 65% salt and Solution B is 80% salt. She wants to obtain 150 ounces... more
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Functions Math Systems Lines

07/26/21

I am not great at percentage problems, so I want someone help with this question
The Royal Fruit Company produces two types of fruit drinks. The first type is 40% pure fruit juice, and the second type is 100% pure fruit juice. The company is attempting to produce a fruit drink... more
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Functions C++ Function

07/22/21

I have no idea what I am doing wrong??
in this program, I spouse to let the user chose many items from the menu, but I don't know how to let stops from looping, also I don't know how I will collect the total?? could someone help me?here... more
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07/22/21

Find three functions 𝑓, 𝑔, ℎ that satisfy:
f(g(h(x))) = (√(1/x^2)+2)
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07/22/21

. Explain the difference between average rate of change and instantaneous rate of change. Provide specific examples
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Functions Math Systems Lines

07/21/21

A question about (Solving a tax rate or interest rate problem using a system of linear equations)
A theater group made appearances in two cities. The hotel charge before tax in the second city was $1500 lower than in the first. The tax in the first city was 6.5%, and the tax in the second city... more
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Functions Math Systems Lines

07/21/21

A question about (Solving a tax rate or interest rate problem using a system of linear equations)
Last year, Shen had $20,000 to invest. He invested some of it in an account that paid 9% simple interest per year, and he invested the rest in an account that paid 7% simple interest per year.... more
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Functions Math Systems Lines

07/21/21

A question about (Solving a distance, rate, time problem using a system of linear equations)
Two buses leave a station at the same time and travel in opposite directions. One bus travels 13 mih faster than the other. If the two buses are 945 miles apart after 7 hours, what is the rate of... more
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Functions Trigonometry

07/21/21

How do I find the horizontal stretch or period of a sinusoidal function if I'm only given the radians per second?
"A Ferris wheel of diameter 16 m rotates at a rate of 0.4 rad/s and is lifted 2m off the ground. If a platform is made so passengers can board at the centre height of the ferris wheel as it goes... more
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Functions Math Exponents

07/20/21

Function question

can anyone please help solve :Which one of the following values is a solution to the equation g(x) - 20736=0, given g(x) = 12^(2x-6)? 
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Functions Math Grade11

07/20/21

Solve the following. 6^x+3 = 6^2x
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Functions Math Grade11

07/20/21

Simplify and leave answers as a positive exponent. 3sqrt sqrtx^6 =
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Functions Math Grade11

07/20/21

Simplify and leave answer with a positive exponent. (x^2/3 y^1/3)^3
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Functions Math Grade11

07/20/21

Simplify and leave answers with a positive exponent. -54a^5 b^-7 / -6a^-2 b^-3
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Functions Math Grade11

07/20/21

Simplify and leave answers with a positive exponent. (4ab^4)(-5a^3b^2)=
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Functions Math Grade11

07/20/21

Evaluate the following: (-27)^-2/3
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Functions Math Grade11

07/20/21

Evaluate the following: 81^3/4 =

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Functions Math Grade11

07/20/21

Evaluate the following: (16)^-3/4.

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Functions Math Grade11

07/20/21

Evaluate the following: 1/(-5)^2. Show your work.
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Functions Math Systems Lines

07/19/21

my question about (Solving a value mixture problem using a system of linear equations)
Two mechanics worked on a car. The first mechanic charged $105 per hour, and the second mechanic charged $110 per hour. The mechanics worked for a combined total of 15 hours, and together they... more
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Functions Math Systems Lines

07/19/21

my question about (Solving a value mixture problem using a system of linear equations)
A family has two cars. During one particular week, the first car consumed 40 gallons of gas and the second consumed 15 gallons of gas. The two cars drove a combined total of 1825 miles, and... more
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07/18/21

For what value(s) of x, is it not possible to graph the function f(x)=log(x-1)? Explain, if possible, your reasoning with the help of a graph.

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Functions Math Grade11

07/17/21

URGENT: For what value(s) of k will the function f(x) = 2x^2 – kx + 18 have two non real roots? Show your work.
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