The correct expression is,
⇒ 14i
Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.
We have to given that;
Expression is,
⇒ √- 25 + 2√- 9
Hence, We can change it into monomial in term of i as;
⇒ √- 25 + 2√- 9
⇒ √- 5² + 2 √- 3²
⇒ 5i + 3 × 3i
⇒ 5i + 9i
⇒ 14i
Since, i² = - 1
Thus, The correct expression is,
⇒ 14i
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If inequality 5x + x² > 100, then x is not equal to 7.
The given inequality looks like you have a quadratic inequality that we have to solve,
5x + x² > 100
To determine which values of x will not satisfy this inequality,
We can use algebraic manipulation.
We can rewrite the inequality as,
x² + 5x - 100 > 0
Then, we can use the quadratic formula to find the roots of the equation, which are x = (-5 ± √(425)) / 2.
x ≈ -12.8 or 7.8
It means that x∈ (-∞, -12.8 ) ∪ (7.8, +∞ ).
Hence, x ≠ 7
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1 4/7
a function is a rule that assigns each value of the variable to exactly one value of the dependent variable
Answer:
Therefore, the value of (y+1) is -1
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