Answer:
C
Step-by-step explanation:
We want to solve the equation:
Using the quadratic formula. The quadratic formula is given by:
In this case, <em>a</em> = 1, <em>b</em> = 2, and <em>c</em> = 7.
Substitute:
Evaluate:
Simplify the square root:
Hence:
Simplify:
Hence, our solutions are:
Our answer is C.
Answer:
3.6
Step-by-step explanation:
i got it correct
The maximum height of the projectile is the maximum point that can be gotten from the projectile equation
The projectile reaches the maximum height after 5 seconds
The function is given as:
Differentiate the function with respect to t
Set to 0
So, we have:
Collect like terms
Solve for t
Hence, the projectile reaches the maximum after 5 seconds
Read more about maximum values at:
brainly.com/question/6636648
The answer is 209.7 because the tenth is the number right after the decimal point.
Try this option:
1. according to the graph no points of intersection between function and X-axis, it means, that
2. D<0 and no real solutions. In other words function has two complex solution.
Answer: 2.