Question

3 quick algebra 1 questions for 50 points!

Answer 1

#1

• h(t)=-16t²+58t+2

h(2.5)

• -16(2.5)²+58(2.5)+2
• -16(6.25)+145+2
• 147-100
• 47ft

After 2.5s the ball was at 47ft

#2

• g(x)=x²-9

g(0)

• -9

g(4)

• 4²-9=16-9=6

g(7)

• 7²-9
• 49-9
• 40

Range

• {-9,6,40}

#3

• f(-3)=5
• f(0)=0
• f(1)=-3