Electrical company Answer all questions in this section. Write your answers in the spaces provided. 4 Josh is a product designer for an electrical company. He designs a new table lamp. Josh will use plastic to make the lamp. He uses this formula to work out the amount of plastic needed. where P = b 2 + 2bh The length of the base of the lamp will be 13 cm. The slope height of the lamp will be 34 cm. P is the amount of plastic needed (cm 2 ) b is the length of the base (cm) h is the slope height (cm) Josh thinks the amount of plastic needed will be less than 1000 cm 2 (a) Is Josh correct? Show why you think this