01/25/22

i have to prove: tan(x-y)+tan(y-z)=(sec^2(y)(tan(x)-tan(z)) / (1+tan(x)tan(y))(1+tan(y)tan(z))
I know that I have to expand the tan(x-y) and tan(y-z) with their subtraction formulas, but I get stuck when I have to add them together. How do I do that correctly? what do I do after that?Thanks!
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01/25/22

Math Homework Needed

Let f(x)=1/2x2-1. Find slope mPQ of the secant line that contains points P=(2,f(2)) and Q=(2+h,f(2+h)) and then compute mPQ for h=0.1.
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01/25/22

Math Homework Needed

Let f(x)=-2x2-x and let g(x)=f(x)-f(-1)/x+1, x=-1. Find g(10).
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01/25/22

Math Homework Needed

Let f(x)=1/2x2-1. Find slope mPQ of the secant line that contains points P=(2,f(2)) and Q=(2+h,f(2+h)) and then compute mPQ for h=0.01.
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01/25/22

Math Homework Needed
Let f(x)=-2x2-x and let g(x)=f(x)-f(-1)/x+1, and x=-1. Find g(10).
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01/25/22

Math Homework Help
Let f(x)=1/2x2-1. Find the slope mPQ of the secant line that contains points P=(2,f(2)) and Q=(2+h,f(2+h)) and the compute mPQ for h=0.01.
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01/25/22

Homework Help Needed
Let f(x)=1/2x2-1. Find the slope mPQ of the secant line contains points P=(2,f(2)) and Q=(2+h,f(2+h)) and then compute mPQ for h=0.5
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01/25/22

Math homework need help
Akiko has opened a new bake shop in town. Akiko sells eachcheesecake for $10 and spends $727 in rent per month. How manycheesecakes does Akiko need to sell to make $1,053 in profits thismonth?
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01/24/22

Write the factored form for the polynomial function that has zeros of 2, -3, and 5; and f(3)=6.
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01/24/22

How find third side with 4º angle and length of 2 sides?
Hi!So the triangle is very thin, like a spike. It has a 4º angle from its point and has sides of 5.5 feet each. What is the formula for finding that short-length missing side? Please help :-D
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01/24/22

Algebra word equations
One number is five greater than another number and the sum of two numbers is 29
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01/24/22

Algebra word equations
One number is five greater than another number and the sum of two numbers is 29
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01/24/22

what is 3 divided by 1/4 ?
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01/24/22

what is 3 divided by 1/4 ?
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01/24/22

what is 3 divided by 1/4 ?
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01/24/22

what is 3 divided by 1/4 ?
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01/24/22

Write an equation of the perpendicular bisector of the segment with the endpoints (2,5) and (8,3)?
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01/24/22

how would you prove this: tan(x-y)+tan(y-z)=(sec^2(y)(tan(x)-tan(z)) / (1+tan(x)tan(y))(1+tan(y)tan(z))
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01/23/22

Solve each inequality for x. (Enter your answers using interval notation.)
1 < e5x − 1 < 4and 1 − 6 ln(x) < 13
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01/23/22

solving a mixture

The Royal Fruit Company produces two types of fruit drinks. The first type is 20% pure fruit juice, and the second type is 70% pure fruit juice. The company is attempting to produce a fruit drink... more
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01/22/22

I need help to use the function to evaluate the composite function

Use the functions f(x) = 2x2 + 3 and g(x) = 3x + 5 to evaluate the composite function.f(g(3))
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01/22/22

I need help finding the answer to the equation based on the pair of functions

Use the pair of functions to find f(g(0)) and g(f(0)).f(x) = 4x + 6,    g(x) = 4 − 2x2f(g(0)) = g(f(0)) =
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01/22/22

I need help finding the functions and expressing them

Find functions f(x) and g(x) so the given function can be expressed as h(x) = f(g(x)). (Use non-identity functions for f(x) and g(x).)h(x) = |x2 + 3|{f(x), g(x)} =
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01/22/22

Use the Laws of Exponents to rewrite and simplify each expression.
9a^5/2 times a^1/2 divided by a^-1
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01/20/22

2x^3+5x^2-37x-60;x-4
determine if the binomial is a polynomial
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