50. Advertising. Sound Software estimates that it will sell N units of a program after spending a thousands of dollars on advertising, where N(a) = -a? + 300a + 6, 0 < a< 300. Find the maximum number of units that can be sold and the amount that must be spent on advertising in order to achieve that maximum.

Q: Represent m < 3 on the number line.

A: Solution :-

Q: 38 > -5x + 3 ≥ 18

A: Solving the inequality.

Q: Find the solution set of 3x + 5 = (x + 5)

A: The given equation is 3x +5 = (x+5)We find value of x.

Q: AIDS Deaths Let flx) = 2375x² + 5134x + 5020 estimate the number of U.S. AlIDS deaths x years after…

A: It is observed that this is an equation of the form ax2+bx+c=0. Hence the solutions for this…

Q: The yearbook staff at the high school expects to sell 500 yearbooks this year. They expect sales to…

A:

Q: 48-20x - 4x(x-52 X3-25X X(x--25) )

A:

Q: x > 199; what is the values of x?

A: given that  -3x&gt;199-x&gt;66.33  x&lt;66.33

Q: z is less than -1.58

A: Givenz is less than -1.58

Q: 4. The number of tiles used on the floor were twelve times the square of the length of the floor. W…

A:

Q: 0.6(10x+19) = 2.8(0.2x + 5)

A: Determine the value of X.   The value of X is obtained by solving the given equation below as…

Q: A company has been selling 600 items every month at $ 720 each. However, for each $ 40 rebate…

A: The given data is: A company has been selling 600 items every month at $720 If a rebate of $40 is…

Q: Find the interval notation of 19x+2>-18+3x

A:

Q: Give a “real world” example of a situation where the infinite sum of a geometric pattern is equal to…

A: A real-world example of a situation where the infinite sum of the geometric pattern is equal to one.

Q: A hiker walked for two days. On the second day, the hiker walked at an average speed of 1 mile per…

A:

Q: A 12.5-inch candle is lit and burns at a constant rate of 1.2 inches per hour. Let t represent the…

A: Given:  Candle length = 12.5 inch Candle burn rate=1.2 inches/hr To find: (a) Expression in terms of…

Q: 8log10(x-7)=16

A: Given,

Q: y >- 3/5x -1

A: we will solve this inequality by the below-mentioned method and also a graph of the given equation…

Q: 2+x=4 what is x?

A: We have to ifnd the value of x.

Q: 1.5(4-x) = 1.3(2-x)

A: Given,

Q: if 4a+(7a)=65 what does a eqaul

A:

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.