2 years ago

PLS HELP ASAP ILL GIVE BRAINLKEST THANKS

1 answer:

3 0

d ≥ -7 ? (ignore.....................................................................................................................................)

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PLEASE HELP!!! If f(x) = -2x^2 + x - 5, what is f(3)?

kow [346]

Answer:

f(3) = -10

Step-by-step explanation:

Given

f(x) = -2x² + x - 5

Solving

To find f(3), substitute x = 3 in the function
⇒ f(3) = -2(3)² + (3) + 5
⇒ f(3) = -2(9) + 8
⇒ f(3) = -18 + 8
⇒ f(3) = -10

4 0

2 years ago

Read 2 more answers

1. How far does a car travel if it's 16-inch wheel rotates 3 times? HELP!

Nataly_w [17]

$\textit{circumference of a circle}\\\\ C=\pi d~~ \begin{cases} d=diameter\\[-0.5em] \hrulefill\\ d=16 \end{cases}\implies C=16\pi \implies \stackrel{\textit{3 times that much}}{C=48\pi \implies} C\approx \underset{inches}{150.8}$