f(x)=x^2-x+3, Find f(0), f(2), f(-4)

Can someone please analyze this poem? (In brief or detail, doesn't matter)

How the columns of the bodyCorrode and collapse,Despite girdings of cotton and silk,Or buttresses of expensive ointments.How Death camps out in the bodyTo seize it by surprise.How it charges, then,... more

09/19/21

Could I please get some help with this problem?

Triangle: In a triangle, ABC, the lengths of the sides are x, 2x, and 3x. Write an expression for the perimeter of the triangle.

Why aren't these two ways of using bow-tie method yielding the same answer?

If I have, 200 / (r+w) = 100 / (r-w), I solve this with:200/(r+w) - 100 / (r-w) = 0(200 (r-w) - 100 (r+w)) / (r^2-w^2)It seems this is incorrect, but why?I see the answer is actually to solve as:... more

09/18/21

What is the formula of the hydrate?

the mass of beaker=74.22g , the mass of beaker and contents before heating = 96.43g , mass of beaker and contents after heating = 86.28g , and the chemical name of the anhydrous salt is barium... more

09/18/21

If f and g are odd functions, which of the following must also be odd?

f(g(x)) f(x)+g(x) f(x)g(x) A. 1 onlyB. 2 onlyC. 1 and 2 onlyD. 2 and 3 onlyE. 1, 2, and 3

09/18/21

If f(x) is an even function and g(x) is an odd function, which of the following must be even

I. f(g(x))II. f(x) + g(x)III. f(x)g(x)A. I onlyB. II onlyC. I and II onlyD. II and III onlyE. I, II, and III

09/17/21

Stoichiometry of Reactions: Gram/Mole

According to the following reaction, how many moles of dinitrogen monoxide will be formed upon the complete reaction of 30.7 grams of ammonium nitrate ?ammonium nitrate(aq)  dinitrogen monoxide(g)... more

09/16/21

Chemistry - Naming Ionic Compounds

What is the chemical formula for the compound formed between iron(III) and the bromate ion?What is the chemical formula for the compound formed between iron(III) and the sulfate ion?

09/15/21

Absolute Value Equations and Inequalities

Solve the compound inequality: −2 < 3x + 4 < 13 and write the solution using interval notation, then line graph your solution.

Starting with 55.2 g of acetylene find the theoretical yield in grams of CO2

2H-C=CH (g) + 5 O2(g) —> 4 CO2 (g) + 2H2O Starting with 55.2 g of acetylene find the theoretical yield in grams of CO2 (molar mass C2H =26.04g/mol; molar mass of CO2 = 44.02)What is the yield of... more

09/15/21

Brief Calculus.

Find the derivative of each.a) f(x) = 7x^2+5x-2.6b) g(x) = -2x^3+5x^2-2.6x+7c) f(x) = 7/x+5x-1.3x^-5d) f(x) = 8/sqrt x + sqrt xe) p (x) = 3x^2+2x-7/2xf) w(x) = (2x-7)(5x+4)g) m (x) = 8/x^3 + 10/x

09/15/21

The rides at the carnival cost $1.50 each. How many rides can you go on if you have $13?

The rides at the carnival cost $1.50 each. How many rides can you go on if you have $13?

09/13/21

Laboratory procedure errors

Explain how the errors in laboratory procedure would affect the calculated percent of sand. (decrease, increase, or remain the same) and why. a bit of mixture got stuck in the film can when you... more

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