Answer:
1. No
2. Right triangle
3. No
4. Right triangle
Step-by-step explanation:
A, B = two smallest sides
C = hypotenuse, largest side
Pythagorean theorem. If A^2 + B^2 = C^2, then you have a right triangle.
Answer:
Step-by-step explanation:
f(x) = 3x² -5x - 1
f'(x) =2*3x - 5*1 +0
= 6x - 5
f'(4) = 6*4 - 5
= 24 - 5
= 19
Answer:
15 quarters, 10 nickels
Step-by-step explanation:


multiply the first equation by -0.25 and add the second equation to it

________________

has 10 nickels
has 15 quarters
10(.05) +15(0.25) = 0.5 + 3.75 = 4.25
Hope this helps
To find where the second derivative of the function changes sign, from negative to positive, or vice-versa. So, we find the second derivative of the given function.
Answer:
what's the formula that you're supposed to apply the x to ?