3 years ago

If f(4) = 5, find f ^-1 (5).

Mathematics

1 answer:

Levart [38]3 years ago

7 0

Answer:

Step-by-step explanation:

The relation defined by f includes (4, 5). Then the inverse relation will include (5, 4).

$f^{-1}(5)=4$

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Match each description when z = 9 + 3i. 1. Real part of z 2. Imaginary part of z 3. Complex conjugate of z 4. 3i - z 5. z - 9 6.

sergey [27]

$1)\quad \Re(9+3i)=9\qquad\text{F}\\\\
2)\quad \Im(9+3i)=3\qquad\text{E}\\\\
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4)\quad 3i-(9+3i)=3i-9-3i=-9\qquad\text{A}\\\\
5)\quad 9+3i-9=3i\qquad\text{B}\\\\
6)\quad 9-(9+3i)=9-9-3i=-3i\qquad\text{C}\\\\$